Answer:
Gene – Codes for a specific protein or RNA molecule in the cell Chromosome – Is a linear or circular molecule, is a unit of DNA carrying genetic information encoded in genes, and acts as the basic unit of heredity Genome – Describes the collection of all of the replicable genetic material of a cell or organism, encodes all the heritable genetic traits of an organism, functions to package, organize, and regulate access to DNA, and may include plasmids.
n Drosophila melanogaster the allele for wild-type tan body color (B) is dominant to the recessive allele for black body color (b). Similarly, the allele for wild-type wing shape (V) is dominant to the recessive allele for vestigial wings phenotype (v). In the cross diagrammed above, the expected and observed results are shown. Which of the following best explains the observed results of the cross.
Expected BbVv-- 862, bbvv-- 862, Bbvv-- 862, bbVv--862
Observed BbVv-- 1447, bbvv-- 1416, Bbvv-- 309, bbVv-- 277
The observed results of the cross in Drosophila melanogaster show deviation from the expected results, indicating that epistasis is occurring.
Epistasis is a phenomenon where the expression of one gene affects the expression of another gene. In this case, the interaction between the B and V genes is affecting the expression of their respective traits.
Specifically, it appears that the V gene is epistatic to the B gene, meaning that the presence of the dominant V allele is masking the expression of the recessive b allele in the Bbvv genotype.
This can be seen in the observed numbers, where the Bbvv genotype is less than expected, indicating that the presence of the dominant V allele is leading to a higher expression of the wild-type wing shape.
To learn more about the Drosophila melanogaster at
https://brainly.com/question/28390240?referrer=searchResults
#SPJ4
eutrophication can cause too many algae to grow in a freshwater ecosystem. what can humans do to prevent eutrophication?
Humans can keep wastes from hog farms out of the water supply to prevent eutrophication.
What is eutrophication?Eutrophication is the gradual enrichment of a whole body of water, or sections of it, with minerals and nutrients, typically nitrogen and phosphorus. It has also been characterized as "nutrient-induced increase in phytoplankton production". Eutrophication, which happens when the environment gets enriched with nutrients, increases the quantity of plant and algae development in estuaries and coastal waterways, causes harmful algal blooms, dead zones, and fish deaths. Dystrophic and hypertrophic conditions are other terms for advanced eutrophication. Eutrophication can have an impact on both freshwater and saltwater systems. Excess phosphorus is nearly often the culprit in freshwater environments.
Here,
To prevent eutrophication, humans can keep hog farm excrement out of the water source.
To know more about eutrophication,
https://brainly.com/question/26451414
#SPJ4
How does dry air affect transpiration rate (Increase, decrease, no change) and why?
Answer:
The effect of dry air is in Increased movement of the air around a plant will result in a higher transpiration rate.
Explanation:
It is easier for water to evaporate into dryer air than into more saturated air. Increased movement of the air around a plant will result in a higher transpiration rate. If there is no wind, the air around the leaf is still and transpiration raises the humidity around each leaf.
Answer:
Dry air can decrease the transpiration rate.
Explanation:
Dry air can cause the stomata to close in order to conserve water, which also reduces transpiration.
A given mass of gas occupied 150 cm cube at 27 degrees C and pressure of 1.013x10^5 Newton per metre square. calculate the temperature at which it volume doubled at the same pressure
A given mass of gas occupied 150 cm cube at 27 degrees C and pressure of 1.013 x 10⁵ Newton per meter square, the temperature at which it volume doubled at the same pressure is: 600 K
What is Charles's Law?As according to Charles' law, the volume of such an ideal gas at constant pressure is exactly proportional to the absolute temperature. In accordance with the law, when the pressure on a sample of a dry gas is maintained constant, the Kelvin temperature and volume will be directly proportional. A hot air balloon flying through the air is an example of how Charles Law is used in everyday life. A flame warms the air within the balloon, causing the air molecules to move more quickly and scatter. Because the air inside the balloon is less dense than the outside air, the balloon floats as just a result.
Given that,
initial volume (V₁) = 150 cm³
final volume (V₂) = 300 cm³
initial temperature (T₁) = 27⁰C = (273 + 27) K = 300 K
final temperature (T₂) = ?
As we know from Charles's law:
V₁/T₁ = V₂/T₂
or, 150 / 300 = 300 / T₂
or, T₂ = 600 K
To know more about volume refer to:
https://brainly.com/question/27100414
#SPJ1
describe how a test cross can be used to determine whether a dominant trait is homozygous or heterozygous.
A test cross is a union of two individuals, one of unknown genotype and the other of homozygous recessive genotype. A test cross establishes or reveals the original person's genotype. Finding out whether a dominant phenotype is homozygous or heterozygous for a certain characteristic can be helped by a test cross.
The creature that expresses the dominant phenotype and has an unknown genotype crosses with a homozygous recessive person who is known to have that genotype. This page discusses the test cross, the person who found it, and several examples of it. The distinction between homozygous and heterozygous was also explained. We have seen examples of homozygous and heterozygous traits and comprehended the distinction between dominant and recessive traits.
To know more about phenotype, click here:
https://brainly.com/app/ask
#SPJ4
Which one of the following metals can be used to make the needle of except steel a magnetic compass?
Iron can be magnetized, so it can be used to make the needle of a magnetic compass. Thus, the correct answer is option A.
A magnetic compass is a navigational instrument that uses a magnetized needle to indicate the direction of the magnetic north. The needle is typically suspended in a fluid or mounted on a pivot point, allowing it to rotate freely and align itself with the earth's magnetic field. Since the Earth's magnetic field is strongest at the poles, the needle will always point towards the magnetic north pole.
Iron is a good choice for making the needle of a magnetic compass because it is a ferromagnetic material, meaning it can be magnetized and will retain its magnetism. Steel is also commonly used, as it is an alloy of iron and carbon. Copper, silver and gold are not magnetic and therefore cannot be used to make a needle for a magnetic compass.
To learn more about Metals,
https://brainly.com/question/28931986
The complete question is -
Which one of the following metals can be used to make the needle except steel a magnetic compass?
A. Iron
B. Copper
C. Silver
D. Gold
which practice lead to the greatest genetic diversity and which practives lead to the least genetic diversity
Giving equal opportunities to every organism for growth and participation practice lead to the greatest genetic diversity and reducing the number of chances which can help the organism grow practices lead to the least genetic diversity.
Contrasted with genetic variability, which is the possibility of inherited features changing, it is different. Genetic diversity allows populations to adapt to changing environmental conditions. There is a higher likelihood that some members of a group will have allele variants that are environment-appropriate as population variation rises. They have a higher likelihood of surviving long enough to pass that allele on to their offspring. The accomplishments of these people will increase population longevity.
To learn more about genetic diversity click on the given link: brainly.com/question/14696671
#SPJ4
what is the significance of the s phase in the cell cycle?
The significance of the s phase in the cell cycle is during the S phase the DNA of the cell will replicates.
The S phase of the cell cycle will occurs before the interphase and it is involved in DNA synthesis or replication. In this way, the genetic material of the cell will replicated before entering mitosis or meiosis, leaving enough DNA to divide into the daughter cells.
S phase is not initiated until the cell passes through the G1 phase. The most important event which occurs in the S phase is DNA replication. The goal of this process is to produce twice the amount of DNA which forms the basis of the daughter cell's chromosomal set.
DNA replication begins when the regulated pre-replication complex will attaches to the DNA in the G1 phase. In addition to DNA replication, the cell proliferation continues during the S phase, producing the proteins and enzymes will required for DNA synthesis.
To know more about S phase here
https://brainly.com/question/210041
#SPJ4
a technologist performing an antibody identification in the blood bank has recorded the following results found in the worksheet below. which antibody(ies) are most likely the cause of the agglutination reactions?
IgG or IgM antibodies are most likely the cause of the agglutination reactions.
In general, Agglutination reaction occurs when an insoluble or particle antigen come in contact with an antibody. Thus , a positive reaction occurs and can be seen macroscopically in a short time. antigen-antibody complex may be seen with our eye if the complex size is large. Both IgG or IgM could be involved in the agglutination reaction.
Their are two types of agglutination active agglutination or the passive agglutination. In case of active agglutination, the antigen occurs naturally on particle. on the other hand on passive agglutination, the antigen is bound to an inert particle to detect an antibody.
To learn more about Agglutination , here
brainly.com/question/13011942
#SPJ4
How does genetic engineering make the production of a human hormone safer, cheaper, and faster? Is genetic engineering always beneficial? Explain.
Answer:
Genetic engineering is a technology that can be used to alter the genetic makeup of an organism, including humans. It can be used to produce human hormones that are safer, cheaper, and faster to produce than traditional methods. For example, genetic engineering can be used to produce human insulin from bacteria, which eliminates the need for insulin from animal sources. Additionally, genetic engineering can be used to modify existing hormones, such as growth hormones, to make them more effective.
While genetic engineering can provide many benefits, it is not always beneficial. Genetic engineering can be used to create organisms with traits that may be harmful, such as increased antibiotic resistance. Additionally, it can be used to produce organisms that may have unforeseen consequences, such as genetically modified organisms that may cause environmental damage. Therefore, it is important to consider the potential benefits and risks of genetic engineering before using it.
what is the order of magnitude of the number of microorganisms in the human intestinal tract? a typical bacterial length scale is m. estimate the intestinal volume and assume of it is occupied by bacteria. (b) does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? what functions could they serve?
A Goo-gle search yields the following dimensions of the intestinal tract: small intestine:
Length ≅20 ft ≅ 6 m, diameter ≅ 1.5 in ≅ 4 cm.Large intestine: length ≅5 ft ≅1.5 mdiameter ≅2.5 in ≅6 cm.Treating the intestines as two cylinders, the volume of a cylinder of dia-meter d and length L is:
[tex]V= \frac{\pi }{4} d^{2} L[/tex].The volume of the intestinal tract is:
[tex]V= Vsmall_ + V large_[/tex][tex]V= \frac{\pi }{4} (0.04m)^{2} (6m) + \frac{\pi }{4} (0.06)^{2} (1.5m) = 0.0117m^{3}[/tex]Assuming that 1% of this volume is occupied by bacteria, the volume of bacteria is:
[tex]V_{bac} = (10^{-2} m^{3})(0.01) = 10^{-4} m^{3}[/tex]Treating a bacterium as a cube of side L=10 , the number of bacteria in the intestinal tract is about:
[tex](10^{-4}m^{3}) (\frac{1bacterium}{10^{-18}m^{3} } ) = 10^{14} bacteria.[/tex]
It appears that the large numbers of bacteria present in the human body are beneficial, as the body has not developed any methods to reduce their numbers. This suggests that the bacteria must be performing useful functions, such as aiding in digestion and preventing the growth of dangerous bacteria in the intestines. Certain types of bacteria in the intestinal tract are known to be beneficial for these reasons.
Learn more about benefits of bacteria:
https://brainly.com/question/27821938
#SPJ4
why would no ecosystem exist without energy conversion? the food chain would not be possible electronic devices need to convert energy photosynthesis would not operate transportation would be restricted
Energy conversion is essential for life on Earth, and without it, no ecosystem can exist. Energy conversion is necessary for the food chain to operate, for photosynthesis to occur, and for transportation of energy, resources, and living organisms.
Without energy conversion, life as we know it would not be possible.The food chain is a series of organisms that rely on each other for energy, with producers at the beginning of the chain, and consumers at the end. Producers such as plants use photosynthesis to convert sunlight into energy, which is then consumed by herbivores and passed on to carnivores. Without energy conversion, this process would not be possible, and the food chain would collapse.
Photosynthesis is the process by which plants convert sunlight into energy, and without it, plants would not be able to grow. This process relies on energy conversion, as sunlight is converted into chemical energy in the form of carbohydrates and other compounds. Without photosynthesis, the food chain would be impossible, as plants and other producers would not be able to produce energy-rich compounds.
Finally, transportation is essential for the movement of energy and resources, as well as living organisms. Without energy conversion, transportation would be restricted, as cars, planes, and other vehicles rely on energy conversion to operate. Without energy conversion, these vehicles would not be able to move, and the transportation of resources and living organisms would be impossible.
Learn more about Energy at : https://brainly.com/question/8427473
#SPJ4
Where is epinephrine and norepinephrine released from?
The inner, more often known as the adrenal medulla, portion of the adrenal glands is where norepinephrine is made. Additionally, epinephrine, often known as adrenaline, is produced in the adrenal medulla.
A hormone and a neurotransmitter, epinephrine, often known as adrenaline, has two functions. It is a hormone that is produced and released by your adrenal glands, which are hat-shaped glands that are located on top of each kidney.
It functions as a chemical messenger and central nervous system neurotransmitter to help send nerve signals from one nerve cell, muscle cell, or gland cell to another.
Norepinephrine, also known as noradrenaline, is a chemical that is mostly released from the terminals of sympathetic nerve fibres and works to speed up and intensify heartbeats as well as the force and rate at which skeletal muscles contract.
To know more about adrenal glands, visit:
https://brainly.com/question/1406904
#SPJ4
According to the graph above, what is the relationship between Helper T Cells and HIV levels
in the body over the course of the infection? Provide an explanation for this trend.
The relationship between Helper T Cells and HIV levels in the body over the course of the infection is based on the fact that the rise in immune T cells may cause an increase in the amount of HIV viruses because HIV binds to the surface of T-cells in order to reproduce inside these cells.
What is the relationship between Helper T Cells and HIV levels?The relationship between Helper T Cells and HIV levels is based on the fact this retrovirus binds to surface receptors in T cells in order to replicate during initial infection.
Therefore, with this data, we can see that the relationship between Helper T Cells and HIV levels leads to an increase of both (disease progression) in the first place and then HIV decrease.
Learn more about T Cells and HIV here:
https://brainly.com/question/4185907
#SPJ1
which of the following structures is not included in the biologic width? group of answer choices a) sulcular epithelium b) gingival connective tissue fibers c) junctional epithelium d) both a and b
Sulcular epithelium is not included in the biologic width.
BIOLOGIC WIDTH ANATOMYIn the human body, ectodermal tissue serves to protect against invasion from bacteria and other foreign materials. However, both teeth and dental implants must penetrate this defensive barrier. The natural seal that develops around both, protecting the alveolar bone from infection and disease, is known as the biologic width.
The biological width is defined as the dimension of the soft tissue, which is attached to the portion of the tooth coronal to the crest of the alveolar bone. This term was based on the work of Gargiulo et al., who described the dimensions and relationship of the dentogingival junction in humans.
Measurements made from the dentogingival components of 287 individual teeth from 30 autopsy specimens established that there is a definite proportional relationship between the alveolar crest, the connective tissue attachment, the epithelial attachment, and the sulcus depth.
They reported the following mean dimensions: A sulcus depth of 0.69 mm, an epithelial attachment of 0.97 mm, and a connective tissue attachment of 1.07 mm. Based on this work, the biologic width is commonly stated to be 2.04 mm, which represents the sum of the epithelial and connective tissue measurements. In 1977, Ingber et al. described “Biologic Width” and credited D.Walter Cohen for first coining the term.
Learn more about biologic width at https://brainly.com/question/13490810.
#SPJ4
describe the purpose of the following types of cell division in an organism with a life cycle involving gametic meiosis
Gametic meiosis is used to produce haploid gametes which are used in sexual reproduction to create offspring with genetic diversity.
What are the types of cell division in an organism?The types of cell division in an organism are: mitosis, meiosis, cytokinesis, and endoreduplication.
1. Mitosis: Mitosis is the process of cell division that occurs in many organisms and is essential for the growth and development of cells. It is the process by which a single cell divides into two genetically identical cells. Mitosis is necessary for the growth and development of an organism, as it allows for the production of new cells that can then go on to form new organs and tissues. Mitosis is also important in the production of gametes during meiosis, as it is the first step in the process of sexual reproduction.
2. Meiosis: Meiosis is the process of cell division that occurs in organisms with a sexual life cycle, such as humans. It is the process by which a single cell divides into four genetically distinct cells. Meiosis is necessary for the production of gametes, which are required for sexual reproduction. During meiosis, the chromosomes in the parent cell are segregated into four daughter cells, which then go on to form the gametes. Meiosis is also important in maintaining genetic diversity, as the segregation of chromosomes during meiosis results in the creation of new combinations of alleles in the gametes.
3.Cytokinesis is a type of cell division that physically separates the daughter cells produced by mitosis and meiosis.
4.Endoreduplication is a process in which a cell replicates its genetic material without undergoing cell division.
To learn more about Types of Cell Division refer to:
https://brainly.com/question/13029861
#SPJ4
Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be found in either type of cell?
answer choices
Golgi bodies
ribosomes
mitochondria
nuclei
A woman who sought genetic counseling is found to be heterozygous for a chromosomal rearrangement between the second and third chromosomes. Her chromosomes, compared to those in a normal karyotype, are diagrammed to the right.
(a) What kind of chromosomal aberration is shown?
(b) Using a drawing, demonstrate how these chromosomes would pair during meiosis. Be sure to label the different segments of the chromosomes.
(c) This woman is phenotypically normal. Does this surprise you? Why or why not? Under what circumstances might you expect a phenotypic effect of such a rearrangement?
The chromosomal aberration shown in the diagram is a translocation. A translocation is a type of chromosomal rearrangement in which a piece of one chromosome breaks off and attaches to another chromosome. In this case, it appears that a segment of chromosome 2 has broken off and attached to chromosome 3.
During meiosis, these chromosomes would pair as follows [Diagram of chromosomes pairing during meiosis showing a normal chromosome 2 and a normal chromosome 3, along with a translocated chromosome 2 and a translocated chromosome 3.
The normal chromosomes show the segments labeled 2A, 2B, 3A, and 3B, while the translocated chromosomes show the segments labeled 2A, 2B, 3C, and 3D. The chromosomes pair as normal chromosome 2 with translocated chromosome 2 and normal chromosome 3 with translocated chromosome 3.]
It is not surprising that the woman is phenotypically normal, even though she is heterozygous for a translocation. Many translocations are balanced, meaning that the total amount of genetic material is the same as in a normal karyotype, and therefore does not result in any observable effects.
However, it is possible that this translocation might cause issues if it disrupts a gene that is important for growth or development, or if it causes an abnormal amount of genetic material to be present in certain cells which can lead to different chromosomal disorders.
To learn more about chromosomal aberration
https://brainly.com/question/29763276
#SPJ4
An article in the local paper is discussing a new copper mine in new mexico. it states that all that is needed to identify a substance is the mass and volume of a sample. is this an accurate statement? why or why not?
a- yes, because mass and volume are unique properties of a substance.
b- yes, because mass and volume allows for finding density, which is a unique property of a substance.
c- no, because although mass is a unique property of a substance, volume is not.
d-no, because only density is a unique physical property of a substance and mass and volume are not enough to find it.
This is not an accurate statement because only density is a unique physical property of a substance and mass and volume are not enough to find it.
What is density?The density of a material is its mass per unit volume. The most common sign for density is, however the Latin letter D can also be used. Density is defined mathematically as mass divided by volume. The density of a substance is the measure of how densely it is packed together. It is expressed as mass per unit volume. Symbol for density: D or Formula for Density: = m/V, where is the density, m is the object's mass, and V is the object's volume. The density of something describes how compact or dense it is. Let's say you have two boxes, one huge and one tiny. They both, however, weigh the same. That suggests the small box is denser than the large box.
Here,
This is not an accurate statement since density is a unique physical feature of a substance that cannot be found using mass or volume.
To know more about density,
brainly.com/question/2142657
#SPJ4
a type of vesicle that stores water, nutrients, and other chemicals.
Answer:
Vacuole – a type of vesicle that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape. Vesicle – small, sac-like package of nutrients, proteins, or water created by the Golgi apparatus. Types of vesicles include vacuoles and lysosomes.
1. which dragonflies undergo the change from yellow to red, and when in their life cycle does it occur? (4 points) 2. what types of in vivo experiments did the researchers perform, and what were the results? (7 points)
When gyndandromorphic dragonflies mature sexually, their pigmentation changes. The in vivo experiment revealed that the color or pigmentation change from red to yellow occurred only locally and had a significant impact on the dragonfly, causing it to die very quickly.
A dragonfly is a flying insect in the order Odonata's infraorder Anisoptera. There are approximately 3,000 known species of true dragonflies. The majority are tropical, with only a few species found in temperate regions. Wetland habitat loss threatens dragonfly populations worldwide. Adult dragonflies have two pairs of strong, transparent wings with colored patches and an elongated body. Many dragonflies have brilliant iridescent or metallic colors caused by structural coloration, which makes them stand out in flight. The compound eyes of an adult dragonfly have nearly 24,000 ommatidia each.
learn more about dragonfly here
https://brainly.com/question/13432752
#SPJ4
what specific component of the kidney does the dialysis tubing represent? what is the function of this component?
The ureters, which are two small tubes in the body, are the specific anatomical portion that the dialysis tubing symbolizes. The ureters' job is to assist in moving urine from the kidneys to the bladder.
What occurs to a dialysis patient?Hemodialysis involves removing blood from your body, cleaning it in a dialyzer, and reintroducing it to your body. This three to five-hour procedure could happen in a hospital or a dialysis facility.
Is having dialysis painful?Dialysis is uncomfortable: When the needles are inserted into your fistula or graft while you are receiving hemodialysis, you can experience some discomfort, but the majority of patients typically have no other issues. Dialysis itself causes little discomfort.
To know more about Dailysis visit:
https://brainly.com/question/29526384
#SPJ4
Which order is classified by their long, broad wings for soaring?
Answer:
Accipitriformes.
Explanation:
The order of birds classified by their long, broad wings for soaring is Accipitriformes.
Predatory birds in this order include eagles, hawks, falcons, and kites. They are extremely effective hunters thanks to their large, wide wings, which enable them to glide over great distances and fly on thermal currents.
what mechanisms allow us to utilize the energy in the food we eat?
The process through which food energy is transformed into energy that the body's cells can utilise is known as cellular respiration.
Through a sequence of chemical processes called cellular respiration, glucose is broken down to create ATP, which can then be used as energy for a variety of bodily functions. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three primary phases of cellular respiration. The citric acid cycle happens in the mitochondrial matrix, oxidative phosphorylation takes place on the inner mitochondrial membrane, and glycolysis happens in the cytoplasm. Glucose, ATP, and NAD+ are the initial reactants and ATP and water are the end products of cellular respiration. Phosphofructokinase-1, pyruvate dehydrogenase, and isocitrate dehydrogenase are the enzymes that control the rate of cellular respiration.
learn more about cellular respiration here
https://brainly.com/question/29760658
#SPJ4
In any field of sunflowers, the height of the plants vary. birds first eat the seeds from the tallest plants. if this eating pattern continues season after season, what would we expect to happen to sunflowers over time?
The right response is: A.
Natural selection will favour this characteristic since shorter plants are better fitted to survive (the taller ones are devoured by birds).
The greatest flowers and plants for luring songbirds should include nesting materials as well as edible seeds or fruit. The best choice is to choose hardy perennials that are native to your area and should do well in most gardens.
Heliotropic indicates that sunflowers turn their flowers to face east as the Sun moves across the sky.Thus, now we know that birds prefer tall plants to eat first as compared to the short plants.
To know more about characteristic please check the following link
https://brainly.com/question/11888436
#SPJ4
In any field of sunflowers, the height of the plants vary. Birds first eat the seeds from the tallest plants. If this eating pattern continues season after season, what would we expect to happen to sunflowers over time?
A. Get shorter
B. Become extinct
C. Reproduce asexually
D. Stop producing seeds
the gene for melanin (skin pigment) is transcribed similarly in humans and apes. where does the transcription of the melanin gene take place? responses only in the nucleus only in the nucleus in the nucleus and the ribosome in the nucleus and the ribosome in the ribosome in the ribosome in the nucleus and the cytoplasm
Transcription is typically carried out in the nucleus of eukaryotic cells/organisms.
Transcription is the process by which the genetic information contained by DNA is transcribed into another molecule, RNA.
Transcription occurs in the nucleus of eukaryotic cells because the DNA is located there. The encoded message (RNA) is subsequently transported to the cytoplasm and translated into protein.
Transcription is the process of copying a segment of DNA into RNA. Messenger RNA is produced by segments of DNA that are translated into RNA molecules that could also encode proteins. Other DNA segments are copied into RNA molecules called noncoding RNA. mRNA accounts for only 1-3% of total RNA samples.
For more information on Transcription , visit :
https://brainly.com/question/14136689
#SPJ4
imagine that you are enjoying a day at the beach in california, exploring tide pools. you find a california sea hare in the shallow water and gentle scoop it into your hand, as shown in the figure above. as you touch it, the sea hare releases purple ink into your hand. you think maybe the sea hare released the ink to scare you (a potential predator) away, but you are not sure. what steps of the scientific method have you performed in your inquiry?
The scientific methods that we performed are hypothesis formation and observation.
While exploring tide pools at a beach in California, we find a California sea hare in the shallow water. On holding and touching the sea hare, it is observed that it releases purple ink into our hand. It is possible that the sea hare released the ink to scare us, a potential predator, away.
The scientific methods that we have used in this situation are hypothesis formation and observation. We first observed that the sea hare releases ink in our hand on touch. We then formed a hypothesis that the sea hare releases the purple ink on touching as it sees us as a potential predator and does it to scare us away which might or might not be true. We can only know that after testing our hypothesis.
To learn more about hypothesis here
https://brainly.com/question/896413
#SPJ4
This apparent path of the Sun was observed on the first day of
This apparent path of the sun can be observed on the first day of winter rather than on spring, summer or fall.
How does the Earth move?The Earth rotates around the sun in 365-day cycle; moreover, it should be considered the Earth rotates following its axis in a 24-hour cycle and the Earth is slighly tilted. Together these movements lead to different seasons characterized not only by weather patterns but also by apparent paths of the sun.
How do the apparent paths of the sun change over the year?The general path of the sun has the same direction as the sun rises East and sets West; however, the angle or inclination slighly changes:
Winter: The angle is 26°, which means it seems the sun is closer to the surface.Autumn and spring: The angle is 50°.Summer: The angle is 70°, this means taht during this season at midway the sun will seem to be farther than in other seasons.Based on this, it can be concluded the image shows the path for winter as the sun is very close to the surface.
Learn more about apparent path of the Sun in: https://brainly.com/question/2598631
#SPJ1
Develop a document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country.
The document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country is Works Progress Administration.
What is Work Progress Administration?The Work Progress Administration which has been also known as the WPA, which was one of the most famous government agencies that has been operating in the period just after the great depression.
The focus of the WPA was the main national artistic production and it has been just through it that has several musicians, writers, painters, actors, disegners, art directors, among other artists were financed, increasing artistic production in the country.
Therefore, The document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country is Works Progress Administration.
Learn more about diversity on:
https://brainly.com/question/7063191
#SPJ1
when an injury or invasion takes place, leukocytes are summoned to the affected area through a release of leukocyte-attracting chemicals in a process called what?
They achieve this by the diapedesis process, in which the leukocyte travels in an ameboid fashion through closely spaced endothelial borders (paracellular transmigration), and occasionally even through the endothelial cell itself (transcellular migration).
Endothelial cells send signals during TEM that draw and direct leukocytes to areas of tissue injury. Leukocytes respond by adhering to these locations and indicating that they are prepared to return to endothelial cells. Neutrophils are the body's first line of defense and make up 50% to 70% of circulating leukocytes. They participate in the phagocytic clearance of the bacteria and the initial inflammatory response to bacterial infection. They are also the cells that arrive at the location of an injury or illness in the greatest number.
To know more about Endothelial cells, click here:
https://brainly.com/question/13142593
#SPJ4
