the structures found in a living cell can be compared to the parts of a factory that produce cars .which part of the factory is most similar to the nucleus of a living cell?

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

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.

How does human environment effect the biosphere