it is starting with the sun that gives the energy to the tree that has the apple on it. then the worm gets the matter from eating the apple and the bird gets all the matter from the worm when it eat the worm, finally when the cat eats the bird it is getting all the matter of the bird.
5. the animal get the energy eating all of the other animals. when they eat something else the energy is getting transferred over to the animal that ate the animal because the animal it ate had energy from the last thing it ate.
6. what happens the matter that is not used 