Three leaflets make up the aortic valve. They open to allow blood to move from the left ventricle of your heart to the aorta. The largest blood vessel in your body is the aorta.
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What are aortic valve?</h3>
Although there is some confusion in their designation, the aortic valve typically has three cusps.
They might be referred to as the non-coronary, left, and right coronary cusps. Additionally, some publications suggest calling them the left, right, and posterior cusps.
The aortic valve is the biggest of the four heart valves. This crucial valve regulates the flow of blood into the aorta, the major artery of the heart, from the left ventricle.
Therefore, aortic valve between the left ventricle and the opening of the blood vessel.
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Answer:
The answer is Disruptive Selection.
Explanation:
The Disruptive Selection is defined as "the situation where the selection trait is against the individual in the middle of the trait spectrum.". In the given example, there are no suitable seeds for the seedcrackers with medium sized beaks. So the criteria for the selection which is the beak size in black-bellied seedcrackers is on the different ends of the spectrum. The beaks are either small, or large. Which means that the selection trait affects the seedcrackers in the middle of the trait distribution. Therefore the answer is Disruptive Selection.
Answer:
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Explanation:
In a situation whereby a plant is in an environment where light is not totally absent, the plant continues to photosynthesize at a slower rate.
Recall that photosynthesis is the process by which green plants make their own food in the presence of sunlight, chlorophyll, carbon dioxide and water.
In a low light, plants are forced to stretch towards the low light source. This is known as etiolation of plants.
Answer:
Evolution is not the same as adaptation or natural selection. Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations
Evolution is a gradual change in the inherited traits of a population over many generations. Natural selection is a mechanism where the members of a population best suited to their environment have the best chance of surviving to pass on their genes.
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Explanation:
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