Answer:
In my opinion ...it is option A:)
Answer:
I think it is c since "A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment. "
They feed by filtering feeding they feed on tiny organic material which is filtered through them
Heart,eyes,blood vessels and skeleton people.
No the answer is not A the answer it C. the bacterial cells to maintain homeostatic
