Describe two different traits that a species may have and tell why those traits may be important to the survival of that species

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.

What field of science did harry hess study?

What molecule does hemoglobin decay into over time