Answer:
Animals are classified as being multicellular whereas protozoans are microscopic single-celled organisms.
Explanation:
If your metabolism is "high" (or fast), you will burn more calories at rest and during activity. ... A person with a "low" (or slow) metabolism will burn fewer calories at rest and during activity and therefore has to eat less to avoid becoming overweight.
I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
the bird is a barn swallow.
