They are not all vertebrates. There are spiders and insects in that kingdom.
They depend on other organisms for food.
They are all made up of more than one cell.
They can all move about on their own.
Answer:
energy
Explanation:
energy allowed organisms to do work.
Answer:
GRAVITY
Explanation:
Sir Isaac Newton was an English mathematician and mathematician and physicist who lived from 1642-1727. The legend is that Newton discovered Gravity when he saw a falling apple while thinking about the forces of nature.
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Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs.
Carbon dioxide gas and oxygen gas
