Answer:
Mutations and sexual reproduction increase genetic variation in a population. Natural selection occurs when environmental pressures favor certain traits that are passed on to offspring. ... Individuals may mutate, but natural selection acts by shifting the characteristics of the population as a whole.
Explanation:
Answer: It is a product formed.
Reasoning: The plant uses the energy from the glucose to survive and to photosynthesize. Glucose is the product of photosynthesis.
Answer:
Explanation: At the molecular level, the universal genetic code and homologous molecules provide evidence of common descent.