The region in a plant that is analogous to animal stem cells, and can develop into various types of tissues and organs, is the .

The development of_ factored in the development of complex organisms.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

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.