It is called a food chain because the energy is passed from one animal to another animal, just as energy is passed along a series of links in a chain.
(It; is called; a food chain; because the energy is passed from one animal to another animal, just as energy is passed along a series of links in a chain) (the energy; is passed; from one animal; to another animal)
It the energy
is called is passed
a food chain because the energy is passed from one animal to another animal, just as energy is passed along a series of links in a chain
from one animal to another animal