Prokaryotic cells do not have * O A a cell wall.
O B a nucleus.
Ca mitochondria.
D both B and C.

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.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What do nitrifying bacteria convert