Answer: Below
Explanation:
Generally the circle of life refers to the circle of birth, survival, and death.
It’s for wood project. What does that little white dots are called?
Answer:
White spots are often the result of heat and water on the surface. These white spots are also called White Mold. You can wash off this mold with a tablespoon of baking soda, and a teaspoon of water.
True or false? pollen grains are the female gamete in the plant.
Answer:
True
Explanation:
Pollen consists of one or more vegetative cells and a reproductive cell. A pollen grain itself is not the male gamete. In angiosperms and certain gymnosperms, the vegetative cell forms the pollen tube that grows to meet the unfertilized ovules, and the reproductive cell is the source of the sperm.
How do you think the body language that wolves use with other wolves compares to what they use with humans? HELP PLS
Answer: BODY LANGUAGE. Body Language cont’d from The Language of Wolves. In a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. n a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. Wolves employ a variety of non-vocal forms of communication to express and maintain their status,In a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. Wolves employ a variety of non-vocal forms of communication to express and maintain their status,
Explanation:
Answer:
Communication is especially important for animals, like wolves, that live together in family groups, where coordinating, cooperating, and reinforcing bonds and status are all part of a necessary daily routine. Within a family of wolves, communication helps maintain social stability. It helps to reinforce pack solidarity and enables the opportunity for young pack members to learn information specific to the pack and how to survive.
Communication is also used to express an individual’s intentions or emotional disposition or feelings. As with any highly social animal, communication amongst wolves is particularly complex and involved and it is vital to keeping the family functioning together as one. Wolves do use a range of vocalizations to “talk” to one another and express themselves.
Explanation:
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what happens to excess fatty acids and glycerol in the body
Answer:
The fatty acids are absorbed by the adipocytes, but the glycerol and chylomicron remnants remain in the blood plasma, ultimately to be removed from the circulation by the liver.
Explanation:
Answers are very much needed.
AnswerAnswer:
The answers are 1, 2 and 3
Explanation:
Substance A has an LD50 of 3 milligrams per kilogram of body mass for a species of fish. Substance B has an LD50 of 10 milligram per kilogram of body mass. Which substance is considered more deadly?
Substance A
Substance B
They are equally deadly.
This cannot be determined without the ED50.
Answer:
LD50 means a lethal dose of a particular substance or drug is given to a group of animals in a test group. This dose has the ability and capacity to kills 50% of the population of the test group of animals.
If Substance A has an LD50 of 20 mg/kg of body mass, this means that for 1 kg of body mass, 20 mg of substance A can kill 50% of the population that substance A was given to the test group.
If Substance B has an LD50 of 10 mg/kg of body mass, this means that for 1 kg of body mass, 10 mg of substance A can kill 50% of the population that substance B was given to the test group.
Therefore, Substance B is deadlier than Substance A because the quantity of substance B (10mg) is less than the quantity of Substance A (20mg) and it has the same lethal effect on the population.
Explanation:
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Answer:
B
Explanation:
Substance B is deadlier than Substance A because the quantity of substance B (10mg) is less than the quantity of Substance A (20mg) and it has the same lethal effect on the population.
The central cavity of a blood vessel is called the.
Answer:
The central cavity of a blood vessel is called the: Lumen.
Explanation:
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a mitosis inhibitor is a medication that is desighned to prevent mitosis in certain cells why would these be helpful in the treatment of tumors?
Tumors occur when cells uncontrollably divide/go through mitosis. If a mitosis inhibitor is given, then the cells won't be able to divide, hence stopping the tumor from spreading.
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Which of the following are examples of negative tropism? (Select all that apply.)
A. a plant’s leaves growing toward the direction of the sun
B. a plant’s stem growing upward out of the ground
C. a plant’s roots growing down into the soil
D. a plant’s leaves growing away from the sunlight. NO LINKS PLEASE would be it would be appreciated also its more than one for the choice
Answer:
D , it's multiple choice, but only one applies because all the other ones are beneficial to the plants life
44) A fishing practice that is commonly used to catch large solitary species of fish and was featured in The Perfect Storm is ________________________.
A fishing practice that is commonly used to catch large solitary species of fish is referred to as Long line fishing.
What is Long line fishing?
This practice involves the use of a long main line attached to several hooks at various intervals.
This helps to catch large solitary species of fish and was featured in The Perfect Storm.
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Regular consumption of organic food will keep you in a good mood. In this example, the confounder could be:.
What is an enzyme and what is biochemistry and what is enzyme theory?
An enzyme is a protein which acts as a biological catalyst. Biochemistry is the study of chemical processes within or related to living organisms and enzyme theory is the different theories on how enzymes work, either with 'lock and key' method or enzyme-substrate complex theory.
How is the reproductive rate of marine mammals
related to their status in regards to extinction?
Answer:
The fewer fish the less that can reproduce.
Explanation:
marine mammals with a slower reproductive rate are especially sensitive to disturbance , environmental changes and anthropogenic sources of stress because when populations of these organisms decline, recovery is especially slow . it takes a significant amount of time for these animals to reach reproductive maturity and they are commonly heavily invested in raising only one or two young ones every two to three years on average . therefore , populations of marine mammals with slow reproduction are in imminent danger when multiple sources of envirnmental pressure are acting in tandem over an extended period of time . The fewer fish the less that can reproduce.
More the reproductive rate, lesser the extinction and lesser the reproductive rate, more is the extinction.
What is reproductive rate?
The reproduction rate measures the conditions under which generations are replaced. This calculation can be made taking account of mortality (net reproduction rate) or without mortality (gross reproduction rate).
What is extinction?Extinction is a situation in which something no longer exists.
When the reproductive rate of marine mammals will be less, they will not be able to cover up the loss/death of their species caused by any reason and will ultimately lead to extinction.
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Which type of vessels have a pulset A capillaries B lymph vessels C veins Darteries
Answer:
D:Arteries
Explanation:
Arteries carry oxygenated blood away from the heart to the tissues of the body. Veins carry blood depleted of oxygen from the same tissues back to the heart. The arteries are the vessels with the "pulse," a rhythmic pushing of the blood in the heart followed by a refilling of the heart chamber.
what did the large prokaryotic cell provide the mitochondria and/or chloroplast ancestors?
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. At some point, a eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
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How do organisms acquire the energy they need to live?
Organisms generate their own energy to live.
Organisms acquire energy from the temperature of the Earth.
Organisms acquire energy from hydrolysis.
Organisms capture energy from the environment
what can a geologist conclude about a limestone rock layer through relitive age
Answer:
The answer is A
Explanation:
I found the answer on a website
Answer:
I think your answer is B.
Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute.
Relative dating places events or rocks in their chronologic sequence or order of occurrence. Absolute dating places events or rocks at a specific time. If a geologist claims to be younger than his or her co-worker, that is a relative age. If a geologist claims to be 45 years old, that is an absolute age.
Relative Dating
Superposition: The most basic concept used in relative dating is the law of superposition. Simply stated, each bed in a sequence of sedimentary rocks (or layered volcanic rocks) is younger than the bed below it and older than the bed above it. This law follows two basic assumptions: (1) the beds were originally deposited near horizontal, and (2) the beds were not overturned after their deposition.
Faunal Succession: Similar to the law of superposition is the law of faunal succession, which states that groups of fossil animals and plants occur throughout the geologic record in a distinct and identifiable order. Following this law, sedimentary rocks can be “dated” by their characteristic fossil content. Particularly useful are index fossils, geographically widespread fossils that evolved rapidly through time.
Crosscutting Relationships: Relative ages of rocks and events may also be determined using the law of crosscutting relationships, which states that geologic features such as igneous intrusions or faults are younger than the units they cut across.
Inclusions: Inclusions, which are fragments of older rock within a younger igneous rock or coarse-grained sedimentary rock, also facilitate relative dating. Inclusions are useful at contacts with igneous rock bodies where magma moving upward through the crust has dislodged and engulfed pieces of the older surrounding rock.
Gaps in the geologic record, called unconformities, are common where deposition stopped and erosion removed the previously deposited material. Fortunately, distinctive features such as index fossils can aid in matching, or correlating, rocks and formations from several incomplete areas to create a more complete geologic record for relative dating. Relative dating techniques provide geologists abundant evidence of the incredible vastness of geologic time and ancient age of many rocks and formations. However, in order to place absolute dates on the relative time scale, other dating methods must be considered.
Absolute Dating
The nuclear decay of radioactive isotopes is a process that behaves in a clock-like fashion and is thus a useful tool for determining the absolute age of rocks. Radioactive decay is the process by which a “parent” isotope changes into a “daughter” isotope. Rates of radioactive decay are constant and measured in terms of half-life, the time it takes half of a parent isotope to decay into a stable daughter isotope.
Some rock-forming minerals contain naturally occurring radioactive isotopes with very long half-lives unaffected by chemical or physical conditions that exist after the rock is formed. Half-lives of these isotopes and the parent-to-daughter ratio in a given rock sample can be measured, then a relatively simple calculation yields the absolute (radiometric) date at which the parent began to decay, i.e., the age of the rock.
Of the three basic rock types, igneous rocks are most suited for radiometric dating. Metamorphic rocks may also be radiometrically dated. However, radiometric dating generally yields the age of metamorphism, not the age of the original rock. Most ancient sedimentary rocks cannot be dated radiometrically, but the laws of superposition and crosscutting relationships can be used to place absolute time limits on layers of sedimentary rocks crosscut or bounded by radiometrically dated igneous rocks.
Sediments less than about 50,000 years old that contain organic material can be dated based on the radioactive decay of the isotope Carbon 14. For example, shells, wood, and other material found in the shoreline deposits of Utah’s prehistoric Lake Bonneville have yielded absolute dates using this method. These distinct shorelines also make excellent relative dating tools. Many sections of the Wasatch fault disturb or crosscut the Provo shoreline, showing that faulting occurred after the lake dropped below this shoreline which formed about 13,500 years ago. As this example illustrates determining the age of a geologic feature or rock requires the use of both absolute and relative dating techniques.
Explanation:
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Tori
which abolitionist's life was most at risk? Explain
Answer:
PEOPLE KNOWN FOR: abolitionism. William Lloyd Garrison, American journalistic crusader who published a newspaper, The Liberator (1831–65), and helped lead the successful abolitionist campaign against slavery in the United States.
Explanation:
For white Southerners, Brown was the worst possible nightmare: a fearless, committed abolitionist, armed, accompanied by blacks, and willing to die to end slavery. Indeed, in the minds of Southerners, Brown was the greatest threat to slavery the South had ever witnessed.
Describe the effect of adding trytophan to a culture of E. coli
Answer: High tryptophan: The tryptophan binds to the trp repressor and causes it to change shape, converting into its active (DNA-binding) form. The trp repressor with the bound tryptophan attaches to the operator, blocking RNA polymerase from binding to the promoter and preventing transcription of the operon.
Explanation:
What are forms the structural and functional
component of cells
Answer:
Cell Structure. The cell structure comprises individual components with specific functions essential to carry out life's processes. These components include- cell wall, cell membrane, cytoplasm, nucleus, and cell organelles.
Monosaccharides disaccharides and polysaccharides are examples of.
Answer:
Sugars
Explanation:
Saccharide is another term used to describe sugars. The prefixes (mono = one, di = two, poly = more than two) represent how many glucose molecules are present in the overall molecule. Glucose is the base structure of sugars. Furthermore, all saccharides (sugars) are carbohydrates.
Explain why scientists have classified protists in one kingdom when they are such a diverse group.
Explain why scientists have classified protist in one kingdom when they are such a diverse group? This kingdom is necessary for the classification of all organisms that don't fit into the other kingdom categories.
Explain how the generation of electricity by hydroelectric, tidal
and wind sources are similar to each other.
Hydroelectric, tidal and wind sources are similar in the sense that are all renewable sources of electricity generation.
Generation of electricityElectricity is generated in many ways. Some of the ways are renewable while some of the ways are non renewable. The renewable means of generation can be reused while the non renewable can not be reused.
Now, hydroelectric, tidal and wind sources are similar in the sense that are all renewable sources of electricity generation.
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Eyes are __?__ organs which enable us to see
Answer: they are organs of the visual system TwT
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Based on this excerpt, which of the following questions would best direct an investigation on whether the "informational polymer" is DNA or RNA?
Which functional groups are located at the 3’3’3, ’ and 5’5’5, ’ ends of informational polymer?
(Choice B)
B
Which purines are present in the structure of the informational polymer?
(Choice C)
C
Which five-carbon sugar is present in the structure of the informational polymer?
(Choice D)
D
Which phosphate group is present in the structure of the informational polymer?
The type of five-carbon sugar that is present would best direct an investigation on whether the "informational polymer" is DNA or RNA.
What are DNA and RNA?DNA and RNA are two different types of nucleic acids, which are composed of different building blocks.
In RNA, Thymine nucleotide bases are replaced by Uracil bases (both are pyrimidine nucleotides).
In DNA, the sugar is a deoxyribose pentose, whereas in RNA the pentose sugar is called ribose.
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identify the structures below
Label A
______
Label B
______
Label C
______
Label D
______
Label A
Rna
Label B
rna becoming dna
Label C
dna
Label D
nucleus
Which endocrine gland would provide a burst of energy to a person moving out of
the way of a speeding bicycle?
(A) adrenal
(B) parathyroid
(C) pituitary
(D) thyroid
Answer:
the correct answer would be D
Explanation:
The endocrine gland that would provide a burst of energy to a person moving out of the way of a speeding bicycle is the adrenal gland, which is in Option A, as the adrenal glands are located on top of each kidney.
What is the adrenal gland?The adrenal gland is an endocrine gland located on top of each kidney. It is divided into two parts: the adrenal cortex and the adrenal medulla. The adrenal cortex produces hormones such as cortisol, aldosterone, and sex hormones, which are involved in a variety of processes in the body, including metabolism and salt and water balance. The adrenal medulla produces hormones such as adrenaline and noradrenaline, which are involved in the "fight or flight" response.
Hence, the endocrine gland that would provide a burst of energy to a person moving out of the way of a speeding bicycle is the adrenal gland, which is in Option A.
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When igneous rock is formed,the size of the rock crystals or grains is primarily dependent on
Answer:
The three factors that influence the textures of igneous rocks are the speed of cooling, the silicate content, and the water content.
Igneous rocks contain randomly arranged interlocking crystals. The size of the crystals depends on how quickly the molten magma solidified: magma that cools slowly will form an igneous rock with large crystals. lava that cools quickly will form an igneous rock with small crystals. When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.
1. *All of the following statements about invasive exotic species are true EXCEPT:
a. They may compete with native species for food.
b. They may prey on native species.
They are generally introduced by human activity.
d. They may be plant or animal species.
e. They tend to have low reproductive rates.
Invasive species are usually competitors, predators, high reproducers, and are mostly introduced by humans activities.
What are invasive species?They are plant or animal species that invade ecosystems.
They are mostly introduced to ecosystems from another ecosystem and once they establish themselves, end up out-competing native species for resources.
Invasive species generally have high reproductive capacity and efficient dispersal mechanisms.
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What natural features are important in the transfer of sand from one side of an inlet to the other:
Answer:
What causes sand to move along a beach?
Sand grains move along the shore and up and down beaches because of currents made by waves. Waves break when they reach shallow water, creating turbulence. This area is called the surf zone. When waves break, some of the force is turned into currents
The natural features that are important in the transfer of sand from one side of an inlet to the other may include weathering and erosion.
How does sand move along a beach?Sand grains move along the shore and up and down beaches because of currents made by waves. Waves break when they reach shallow water, creating turbulence. This area is called the surf zone. When waves break, some of the force is turned into currents.
Most beaches get their sand from rocks on land. Over time, rain, ice, wind, heat, cold, and even plants and animals break the rock into smaller pieces. This weathering may begin with large boulders that break into smaller rocks. Water running through cracks erodes the rock. They also prevent seawater from entering wells and ponds.
Therefore, the natural features that are important in the transfer of sand from one side of an inlet to the other may include weathering and erosion.
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