Answer: Similar species with different geographic distributions
Explanation:
Which layer of an arterial wall is most responsible for maintaining blood pressure and the continuous flow of blood through the circulation?
Tunica media is responsible for maintaining blood pressure and the continuous flow of blood through the circulation.
Blood circulates throughout the body through tubes called blood vessels. These vessels come in a range of sizes and have various characteristics. Large blood vessels called arteries transport blood out from the heart. Smaller blood channels called arterioles branch off of arteries. The smallest of the vessels, capillaries, are next supplied with blood by arterioles. Blood that has passed through the tissues in the capillaries is subsequently injected into the venules. After that, the venules drain into the veins, which return the blood to the heart. The intermediate layer of the arteries and veins is known as the tunica medium. It is made up of connective tissue and smooth muscle. The arteries are where this tunic is thickest, and as the smooth muscle in this layer contracts, the diameter of the vessels is reduced, which raises the pressure inside the artery. The interior layer of the vessel, known as the tunica interna, is made up of stratified squamous epithelium. The connective tissue layer that surrounds the outside of the blood vessel is known as the tunica externa, also known as the tunica adventitia.
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Human cells that have completed telophase i will each contain ________ chromosomes, which will be in a(n) ________ form.
Human cells that have completed telophase i will each contain 233 chromosmes, which will be in a(n) replicated form.
What is telophase and why it is important?
The end of mitosis is known as telophase. Each chromosome has moved to one of the poles at this point. The nuclear membrane that surrounds these chromosomes forms at each of the cell's poles while the cell is compressed in the middle (in mammals) or divided by a cell plate (for plants).
Telophase is followed by Cytokinesis, or the division of the cytoplasm into two daughter cytoplasm cells. The daughter cells that result from this process have identical genetic composition.
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For crossing over to occur, homologous chromosomes must align precisely early in prophase i so that nonsister chromatids can exchange corresponding segments of dna. True or false?.
False
The given statement "For crossing over to occur, homologous chromosomes must align precisely early in prophase 1 so that nonsister chromatids can exchange corresponding segments of DNA." is false.
In order for non-sister chromatids to exchange matching DNA segments, homologous chromosomes must properly align early in prophase I for crossing over to take place. Instead of close to the centromeres, chromosomes' ends are where crossing over takes place.For genes with the same corresponding loci, homologous chromosomes are made up of chromosome pairs that are roughly the same length, centromere position, and staining pattern.What takes place during prophase 1's crossing over?The exchange of genetic material between non-sister chromatids of homologous chromosomes, or crossing-over, takes place during prophase I. Remember that homologous chromosomes align in pairs, gene for gene down their whole length, generating a configuration with four chromatids known as a tetrad during prophase I.What is the relevance of prophase 1 and metaphase 1 crossover?The importance of crossing over during prophase I/metaphase I is that two homologous chromosomes exchange genetic material in the same locations.To learn more about homologous chromosome visit:
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PLS ANSWER!!!!
The Beatles chew on the stems of mosquito shrubs, forcing the shrubs to grow new branches every Spring. The trees take up more nutrients from the soil to support the new growth. This means there are fewer nutrients for other plants, such as grasses. Partly due to the action of the beetle, the desert has changed from mostly grasses to mostly mosquito shrubs over the last 150 years. How would you classify this beetle in terms of its role in the ecosystem? Explain your answer.
Answer:
ecosystem engineers
Explanation:
because they changed the desert from mostly grasses to mostly mosquito shrubs over the last 150 years
toolsmheducationca
Match the patterns of inheritance with the examples. Group of answer choices
incomplete dominance [ Choose ]
dominant-recessive [ Choose ]
polygenic inheritance [ Choose ]
multiple allele [ Choose ]
Pattern of inheritance can be seen with dominant recessive alleles. The other three option follow non-mendelian principles.
What is mendelian genetics?Mendelian genetics is referred as the inheritance pattern in which the traits are passed from parents to their offspring.
For every gene, there are two expressible forms. This is known as allele. Thus, an allele can be dominant (frequently expressed) or recessive (masked in the presence of dominant allele).
According to mendelian genetics, both these forms can be expressed and inherited by the offspring.
Mendelian genetics is popularly known for its three laws of inheritance.
Therefore, through mendelian genetics many genetic disorders or their probability of occurrence in a child can be studied.
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it's year 8 geology
someone help pls
Based on their method of formation, the letters represent he following rock types;
A = Molten magmaB = Extrusive Igneous rockC = Intrusive igneous rockD = Sedimentary rockE = Metamorphic rockWhat are rocks?Rocks are large naturally occurring masses which are aggregates of minerals found on the earth.
There are three main types of rocks:
Sedimentary rocks: formed from decayed organic matterIgneous rocks: produced from solidified molten magma from the earth's crust (Extrusive Igneous rock cool on the surface, Intrusive Igneous rock cools within the earth crust)Metamorphic rocks: formed from either igneous or sedimentary rocks that have changed form.In conclusion, depending on how they are formed, rocks are classified into igneous, sedimentary, and metamorphic rocks.
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The _______ is a controversial area of heightened sensitivity on the front wall of the vagina.
The ___G spot____ is a controversial area of heightened sensitivity on the front wall of the vagina.
What is a G - spot ?The vagina contains a small region known as the Grafenberg spot, or G-spot. The part closest to the bellybutton is on the upper vaginal wall, about an inch or so within the vaginal opening. The G-spot has a high threshold for arousal, swells somewhat, and feels elevated or rough.
It is situated in the vagina just below the urethra, around 2.5 to 3 inches away. The placement makes it practically impossible for the woman to find the region with her own fingers because the angle for self-exploration is essentially backwards for her.Learn more about Vagina here:
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sustaninability issues that come from electricity
Fundamentally, sustainability is about how people interact, how they affect one another and the environment, and how they deal with social and environmental problems. Although generally regarded as the third pillar of sustainability, others only view economics as a type of social issue.
The environment can be impacted by nearly every component of the power system, and the extent of these affects will vary depending on where and how the electricity is produced. The following are examples of generic environmental effects: emissions, particularly when a fuel is consumed, of greenhouse gas emissions and other air pollutants. Use of water resources for cooling, steam production, and other purposes. Thermal pollution is one type of pollution that is released into waterways (water that is hotter than the original temperature of the water body). Solid waste generation, which may also include hazardous garbage. Use of land for the development of power plants, transmission lines, and distribution networks. Effects of the mentioned consequences on air, water, waste, and land on plants, animals, and ecosystems. Some of these external factors may also have an impact on people's health, especially if they expose individuals to toxins in the air, water, or soil. The consequences of our growing and inefficient resource consumption include climate change, biodiversity loss, pollution, ill health, and poverty. These problems are connected, and they frequently make one another worse. The environmental and social challenge is massive in scope.
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Nerve cells in the visual system, anywhere from the retina back to the occipital lobe, are known as.
Nerve cells in the visual system, anywhere from the retina back to the occipital lobe, are known as visual neurons
Where are the visual processing cells situated?A collection of light-sensing cells called photoreceptors are found in the retina. Rods and cones are the two different kinds of photoreceptors.
Therefore, the three layers of cells in the retina of the human eye are arranged as follows: "Ganglion cells, bipolar cells, and photoreceptor cells" from inside to outside.
Visual illusions are distortions of how visual images are perceived. When we observe an illusion, we may have a tendency to underestimate the visual stimuli's length, curvature, location, speed, or direction. The trick here is on the intellect, not the eye.
The primary pathway for information to travel from photoreceptors to the optic nerve is a direct three-neuron chain, consisting of photoreceptor cells, bipolar cells, and ganglion cells.
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Fossils discovered in undisturbed rock layers can be categorized chronologically from oldest to youngest. What is the name of the principle that is used for this process?
a. comparative embryology
b. law of superposition
c. comparative molecular biochemistry
d. fossil records
NTRODUCTION
1. Why are new plants formed by cuttings from older plants, just like the parent plant?
The new plant will be identical to the parent plant because of gene factor.
What is it called when you grow plants from cuttings?Starting plants from cuttings, also known as "propagation," is one of the simplest and most affordable ways to increase the size of your garden, but there are additional advantages. Every new seedling that grows when plants are started from seeds is unique, just like the siblings in a human family. On the contrary hand, stem cuttings lead to exact copies of the parent plant.
Why is taking cuttings better than growing plants from seed?Cuttings allow for a quicker start to cultivation because the plant is already small. Cuttings therefore have a shorter growth period than seeds, which typically enables you to harvest more quickly. Additionally, you can be certain that you have a female plant, which is crucial for your crop's yield.
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Transcription and translation differ in prokaryotes versus eukaryotes in which way?.
Transcription and translation are the processes which results into formation of mRNA and proteins in the cell. These are different in prokaryotes than that of eukaryotes.
What is transcription and translation?
Transcription is the process of formation of mRNA from the DNA in the nucleus of cell. Translation is the process of formation of proteins in the ribosomes of cell.
In eukaryotes, Transcription of mRNA requires RNA polymerase enzyme whereas in prokaryotes, RNA polymerase is not required in the process of transcription. The process of Translation of the prokaryotic mRNA can occur as the mRNA is transcribed, which is not possible in eukaryotes.
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The lacrimal glands produce ____.
a. saliva
b. cerumen
c. sebum
d. tears
Name three human interactions that may happen in an environment such as point pelee? PLEASE HELP ME
Pollution - Such as littering or adding trash to the place
Feeding wild animals or killing living things there like poaching or trampling plants
Answer: Humans could trample on plants, or accidentally bring in other types of plants on their clothes. humans can light fires in non-designated areas.
Explanation:
In what way is symbiosis a simpler or easier explanation for the origin of eukaryotic organelles than a gradual darwinian explanation?
The symbiotc theory explains that some of the organelles in eukaryotic cells were once prokaryotic microbe .
Why symbiosis is necessary in evolution?
In nature, symbiosis—the close association of two or more organisms—occurs frequently. Symbiotic interactions impact the physiology of the interacting partners, affect their ecological dynamics and evolutionary processes, and eventually change the distribution of species over the world.
The endosymbiotic theory explains that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and Chloroplast are the same size as prokaryotic cells and divide by binary fission. Mitochondria and Chloroplast have their own DNA which is circular not linear.
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Explain what would happen to the carbojn cycle if there were no decomposers present in an ecosystem.
If there were no decomposers, the carbon would remain locked in dead organisms and could only be released through combustion.
What are decomposers?Decomposers are organisms that break down or decompose dead or decaying organisms. The primary decomposers in the ecosystem are bacteria and fungi. The organic and nutrient matter released by decomposers is absorbed or taken up by the ecosystem's plants or producers. Decomposers interact with the ecosystem by reintroducing essential components into the food cycle. They include fungi as well as invertebrate organisms such as earthworms, termites, and millipedes, which are sometimes referred to as detritivores. Fungi play an important role in decomposition, particularly in forests. Some fungi, such as mushrooms, resemble plants. Fungi, insects, earthworms, and bacteria are the four main types of decomposers.To know more about decomposers:
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The muscular tube between the stomach and the large intestine, divided into the duodenum, the jejunum, and the ileum, is the:____.
The muscular tube between the stomach and the large intestine, divided into the duodenum, the jejunum, and the ileum, is the small intestine.
The small intestine, also known as the small bowel, is a muscular tube between the large intestine and stomach.
The process of digestion takes place here as it receives moderately digestive food from the stomach.
Moreover, the absorption of minerals, vitamins, proteins, fats, and carbohydrates also occurs here along with water which is later used by the body.
It is the longest organ found in the gastrointestinal tract and assists in food digestion.
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In what ways is Earth a system? Do you think it is an open or closed system? Explain your reasoning.
Since only power is innately transmitted outside the atmosphere, the earth is a closed system. Matter must violate physical laws in order to escape the earth's atmosphere, as well as outside matter, such as meteorites, is barred from entering.
What is a closed system?A closed system is a natural physical system that does not allow the transfer of matter into or out of the system, though energy transfer is permitted in contexts such as physics, chemistry, and engineering.
Because only energy is naturally transferred outside the atmosphere, the Earth can be considered a closed system. It is not a matter of gaining or losing anything.
It is always a consistent issue. While in terms of energy, the Earth can be considered an open system because energy is both coming and going from it.
Thus, Earth can be both open and closed system as per different context.
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Which of the following is NOT a stimulus that a living thing might sense and respond to?
A. Hunger
B. Sound
C. DNA
D. Light
Answer:
C. DNA
THATS THE ANSWER PO
Question 2 (2 points)
Identify the input (reactants) and outputs (products) of cellular respiration:
Column A
2
3.
5.
6.
7.
-
-
-
-
ATP
carbon dioxide
chlorophyll
glucose
light energy (sunlight)
methane
oxygen
water
Column B
a output of cellular respiration
b.
not a part of the reaction
C input of cellular respiration
Answer:
carbon dioxide: PRODUCT
chlorophyll: REACTANTS
glucose: PRODUCT
light energy: REACTANTS
methane: PRODUCT
oxygen: PRODUCT
water: REACTANTS
A tree species that is perfectly happy growing very slowly is not also likely to do what?
A tree species that is perfectly happy growing very slowly is not also likely to reach a gap in the forest canopy quickly before other species occupy it.
Since it is growing very slowly, it has a tendency to live for a longer time period. And it also has a low maximum growth rate.Climax community refers to an ecological setting where plant or animal populations are stable and coexist in harmony with one another and their surroundings. The last stage of succession is a climax community, which lasts until it is destroyed by an occurrence like a fire or human intervention. Since it is a very slow growing plant, it has the chances of being a member of the climax community. It's growth will be relatively slower as compared to the other surrounding species. Hence, it can also grow and establish underneath the members of its same species which could be at different growth stages.Therefore, due to its extremely slow growth rate, the tree species is not also likely to reach a gap in the forest canopy quickly before other species occupy it.
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A series of genetic crosses results in 787 long-stemmed plants and 277 short-stemmed plants. the probability that you will obtain short-stemmed plants if you repeat this experiment is:_________
The probability that you will obtain short-stemmed plants if you repeat this experiment is 277/1,064
A genetic cross occurs when two people intentionally mate, combining their genetic makeup in the offspring. Crosses may be carried out in a variety of model systems, such as plants, yeast, flies, and mice, and they can be used to analyze genetic processes or develop new features in animals. Another important tool created by Gregor Mendel is the test cross. A test cross is a genetic experiment that involves crossing a homozygous recessive organism having a dominant phenotype with an unidentified genotype (and phenotype). A genetic cross diagram can be used to illustrate the likelihood that kids will inherit particular phenotypic features.
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Which of the following statements are true about water?
A)It is a good solvent because it dissolves many kinds of molecules.
B)It helps in homeostasis because it doesn't change temperature easily.
C)It is polar and forms hydrogen bonds that help water molecules stick together.
D)It makes up approximately 70% of all living things and is an important participant/product in many chemical reactions.
E)All these statements are true.
All of the statements given about water in the question are true hence option (E) is the correct.
water is a chemical substance in which the oxygen atom is covalently bonded with two H molecules. The water molecules are also bonded with each other with H-bond. Due to this hydrogen bonding water molecules are sticking with each other.
Due to its properties like high melting and boiling point, specific heat, thermal conductivity. surface tension, dipole moment and solubility which is reason for its significance in the biospheres.
It makes up 70% of the living things and forms an important part of chemical reactions. It also doesn't change its temperature easily it helps in providing homeostasis.
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Name in order the 5 states of matter from lowest energy to highest
Answer: There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates.
Explanation:
Increased algae blooms can come from which of the following?
O High nutrient levels
O Low nutrient levels
O Low oxygen levels
O Less fish
Answer:
High levels of phosphorus.
Increased algae blooms can come from high nutrients level. Thus, the correct option for this question is A.
What do you mean by Algal bloom?Algal bloom may be defined as the process of rapid accumulation of algal population in freshwater or marine water systems. This can be stimulated by the water which contains nutrients like nitrogen and phosphorus.
This nutrient-rich condition provokes the excessive growth of free-floating (planktonic) algae. This is known as an algal bloom. An Algal bloom is responsible for the mortality of fish and the deterioration of water quality.
Therefore, increased algae blooms can come from high nutrients level. Thus, the correct option for this question is A.
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Explain how synapses allow neurons to act as integrators; include the concepts of facilitation, temporal and spatial summation, and convergence in your explanation.
By analysing the synaptic inputs it receives and turning them into an output signal, a neuron can function as an integrator.
1. Convening:
2. Temporal Summation: When two stimulations are closely spaced apart, a greater depolarization results than with just one stimulation.
3. Spatial Summation: Although two stimuli occur concurrently, they do so at different locations (If spatial summation and temporal summation occur at the same time then you would get an action potential).
4. Convergence: This happens when a neuron combines several synaptic inputs into a single output.
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Which of these would not be an effective means of collecting quantitative data?
A. A census
B. Artifact analysis
C. Opinion polls
D. Questionnaires
E. Multiple choice surveys
Tundra how move with carbon though atmosphere?
Answer:
Northern tundra and boreal ecosystems typically gain carbon (carbon sink) stored in plant biomass and new soil organic matter during the short summer growing season when plant photosynthesis and growth is greater than carbon respired by plants and soil back to the atmosphere
Explanation:
Before they travel across the synapse to bind with receptors on the postsynaptic membrane, chemical messengers are stored in what location on the presynaptic membrane?.
Before they travel across the synapse to bind with receptors on the postsynaptic membrane, chemical messengers are stored in synaptic vesicles on the presynaptic membrane.
What are synaptic vesicles?
The part of the axon terminal where neurotransmitters are held before being released across nerve synapses is known as a synaptic vesicle, also known as a neurotransmitter vesicle. These vesicles, which are constantly being generated, are crucial for transmitting nerve impulses across synapses. Numerous neurotransmitters that are released at synapses are stored in synaptic vesicles, also known as neurotransmitter vesicles. A calcium channel that is voltage-dependent controls the release. The cell constantly produces new vesicles because they are necessary for transmitting nerve impulses between neurons. An axon terminal is the region of the axon that houses collections of vesicles.
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10 When magma squeezes into pre-existing rock, it is known as a(n):
1) extrusion
2) intrusion
3) fault
4) deposition
