Every species exhibits variations based on various genes being activated at various times. An example with humans can be eye color or hair color. What species means is that all members of a species can procreate with healthy, capable of procreating progeny, but anything else is just a variation.
Plants and animals are multicellular (which means many) and Unicellular means only one cell. Please mark as brainliest answer if it helped
Answer:
D
Explanation:
the production of gametes
