Leaves are green because of the presence of chlorophyll. The chlorophyll helps the plant in absorbing the lights lights having red and blue wavelengths. It actually reflects the lights with green wavelength. The chlorophyll helps the plants in making food. I hope that this is the answer that has come to your help.
Answer: A. Family size
Explanation:
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Answer:
The concentration of glucose must be maintained within a fairly narrow range in most vertebrates. This statement is an example of — d. homeostasis.
Answer: diffusion
Explanation:
Diffusion is the over all movement of molecules from one region where it is in high concentration to another another region where it is in lower concentration.
This movement continues until the concentration of both regions are equal. Smaller non polar molecules are able to diffuse through the lipid bilayer of the membrane .
Movement through the membrane is dependent on the concentration gradient, that is the difference in concentration between the two areas.
It is also dependent on the size of the molecule