Answer:
a. Both are made of cells
Explanation:
According to the cell theory all living organisms are made of cells. An apple tree and a human are both livings organisms. Therefore they are both made of cells
Answer:
largest of the three, positive charge, inside nucleus
Explanation:
Answer:
Animals without backbones are called invertebrate. Worms do not have backbones.
Explanation:
This is the answer. Hope it helps you out.