They put energy back into the animals and plants of their environment, they actively recreate the food sources necessary for their survival.
(they; actively recreate; the food sources necessary for their survival) Context(they actively recreate,List([71, 93))):(They; put; energy; back into the animals and plants of their environment)
they actively recreate,List([71, 93))
they They
actively recreate put
the food sources necessary for their survival
energy back into the animals and plants of their environment