True or False:
Parasitic relationships are also considered by some scientists to be a form of symbiosis

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 happens when a scientific theory is shown to be an accurate description of a phenomenon?

List the substances normally stored in bone tissue