Answer:
a chromosome involved with determining the sex of an organism, typically one of two kinds.
Explanation:
Answer:
d. Very small cells are the best adapted for nutrient exchange.
Explanation:
The need to be able to pass nutrients and other substances into and out of the cell limits how big cells can get. The larger a cell is, the more difficult it is for nutrients and gases to move in and out of the cell because the volume is larger than the surface area. Smaller cells can exchange nutrients with the external environment more quickly.
Answer: Grass and leaves contains cellulose. Herbivores that feed on them lacks the enzymes required to break down cellulose.
However they possess multi chambered stomachs and they have a symbiotic relationship with micro organisms that live within the stomach.they micro organisms ,such as bacteria,helps to break down the cellulose into the form that the animal can absorb