Answer:
The Testes.
Explanation:
Testes are contained in a sac of skin called the scrotum, it produces sperm, then make hormone testosterone. It aids testosterone which promotes the development of secondary sexual characteristics, which in humans include a deeper voice, more body hair, and more powerful muscles than that in their counterparts which are the female.
The answer is b, cellular respiration produces ATP energy
Answer:
Gene
Explanation:
This describes a gene or genotype -- the basic physical and functional unit of heredity.
Answer: first one is a second d
Explanation:
