The uterine contractions during the birth process serve two central functions-one is dilation. The other is .

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false