In what organisms are you referring to?
population density are habitats, food, mates, and ... Decreases.
Answer:
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal element.
A,B,C,D I'm pretty sure, but check with others who answer the question too.
