Answer:
The iris, or the colored part of the eye surrounding the pupil, controls how much light enters the eye. The iris can make the pupil bigger or smaller by opening or closing. Lens. Behind the pupil and the iris is a transparent structure that looks similar in shape to the lens of a magnifying glass.
Explanation:
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Answer:
When a future offspring has just been conceived it has the highest level of potency in Totipotency.
Explanation:
Potency is the ability of cells to differentiate. AT different stages of development the level of potency changes. The highest level of potency is Totipotency and these cells have the ability to develop a whole organism. The common examples are spores and zygote. In embryonic stage the cells are Pluripotent and they can differentiate into different type of cells. Pluripotent cells after further development changes into Multipotent cells. Unipotent cells have the least potency and can develop only in one cell linage.
The answer is Circulation
The answer is no cell wall. plant cells have cell walls and if animal cells had cell walls, we wouldn't be able to move as freely as we do.
X shaped chromosomes are linked together at a place called the centromere
