Which is an example of ecosystem diversity? A: penguins and orcas
B: The everglades and Gulf of Mexico
C: An arctic tern and seal
D: variety in a flock of Gambel's quail

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.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?