Explain why individuals of the same species have similar characteristics.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

How does the carbon cycle involve an exchange of carbon