Animals (and humans) breathe in oxygen released by the plants, and in turn breathe out carbon dioxide which is subsequently breathed in by the plants.
(Animals (and humans; breathe; L:in oxygen) (oxygen; released; by the plants) (carbon dioxide; is breathed in; by the plants; T:subsequently)
Animals (and humans oxygen carbon dioxide
breathe released is breathed in
L:in oxygen
by the plants
by the plants T:subsequently