Changes in temperature, salt concentration, ionic concentration, of pH levels
Answer:
There are 2 sex chromosomes – X and Y. Females have 22 autosomes and two X chromosomes, i.e., 22 + XX, while males have 22 autosomes and an X and Y chromosome each, i.e., 22 + XY. hope it helps.
basically 22
Explanation:
No. The natural selection is when the best suit fits survive. Therefore is not the idea that as an environment changes.