This illustration shows a kind of animal that is a free-living organism.

what is the common name of the group that contains this organism?

a.
ribbon worms

b.
arthropods

c.
flatworms

d.
roundworms

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

What is responsible for the uneven heating between the poles and the equator on any given day

Which statement describes the punctuated equilibrium theory?