While plants provide oxygen for the animals as they photosynthesize, animals respire and give out carbon dioxide for plants to make food with.
(plants; provide; oxygen) (they; photosynthesize; ) (animals; respire; ) (animals; give out; carbon dioxide; for plants to make food with) (plants; to make; food)
plants they animals animals plants
provide photosynthesize respire give out to make
oxygen
carbon dioxide for plants to make food with
food