All animals are
a.
producers
b.
omnivores
c.
herbivores
d.
consumers

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Which law represents a balanced chemical equation?