What is a community? A. The smallest part of an element or compound
B. The smallest level at which life exists
C. Several populations of organisms living together
D. A group of one kind of organism living in an area

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart