Answer: option A - the biological and anatomical differences distinguishing females from males.
Explanation:
Gender refers to biological sex. It is a DIVISION into which an organism is placed according to its REPRODUCTIVE FUNCTIONS or ORGANS.
Answer:
Survival
Explanation:
Survival which is greatly an influencing factor in natural selection depends on ability of animals or human to adapt to the environment.
Answer:
Because of the structure of the amino acids, a polypeptide chain has directionality, meaning that it has two ends that are chemically distinct from one another. At one end, the polypeptide has a free amino group, and this end is called the amino terminus (or N-terminus).
Explanation: