Answer:
gene pool or gene frequency
Explanation:
Biological Evolution has to do with how a population's gene pool changes over time.
Answer:
The study of internal structures is called anatomy forexample to study the internal structure of heart
Explanation:
The answer is water vapor.
Water is presented in the form of tiny gas particles called water vapor in the atmosphere. The clouds are formed when this invisible water vapor in the atmosphere condenses onto microscopic particles (dust, dirt,...).
Answer:mercury, lead, chromium
Explanation:
The answer is C. Golgi Apparatus
