The right answer is to the question is D.Sr
Explanation:
It is sex-linked: genetic red-green color blindness affects males much more often than females, because the genes for the red and green color receptors are located on the X chromosome, of which males have only one and females have two.
Answer:
C. Nucleus
Explanation:
In both animal and plant cells the nucleus controls all activities in the cell.
Answer:
The ten percent law states that the total energy content of a trophic level in an ecosystem is only about one-tenth (or 10%) that of the preceding level. The trophic levels of any ecosystem can be arranged in a pyramid shape to show the amount of energy available to support one trophic level to the next.
