This picture shows you many skin cells working together to form epithelial

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.

Long term exposure to waves can cause sunburns and skin cancer.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air