Living things use food they eat to get

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Is genetic diversity the same as genetic variation?

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration