Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
--------
Question: Question: Like animals, protozoa are heterotrophic and capable of what? Answer: moving

Answer: Like animals, protozoa are heterotrophic and capable of moving.

Question: Question: What is found in abundance in the polar ice caps and under the surface of mars? Answer: water

Answer: There is a lot of water ice in the polar ice caps and under the surface of Mars.

Question: Question: Where are sperm produced in the process of spermatogenesis? Answer: testes

Answer:
Sperm are produced in the testes in the process of spermatogenesis. They mature in the epididymes before being ejaculated from the body through the penis.