The greatest ring system around a planet in our solar system surrounds which of the following planets?
a. jupiter
b. saturn
c. neptune
d. mars

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.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Aplant may open end close its stomata to prevent excess water loss and maintain