Are comprised of which are groups of interbreeding individuals of the same species.
communities, populations
populations, herds
communities, families
families, populations

Liquid water turns into water vapor at which step in the water cycle

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.