Answer:
Even a slight reproductive advantage will eventually lead to the elimination of the less well adapted of two competing species.
Answer:
The correct answer will be option-D
Explanation:
Stem cells are the cells which have the ability to form different types of cells. They differentiate and specializes to perform different functions in the body and thus forms the different cells.
The differentiation and specialization are controlled at the gene level by different patterns of gene expression. The pattern of gene expression is not fully understood during development but research have shown that the gene expression is influenced by the different environmental signals and internal regulators.
Thus, option-D is the correct answer.
Your pulse, is both at rest during exercise, this can reveal a heart attach and your aerobic capacity. Correct me if I'm wrong;)