We live in a well-engineered universe. This engineering is present in every system and organism in existence, including in the actions and interactions of plants and animals. In fact, one could say that the function and movement of plants and animals is just as much a part of their makeup as chlorophyll and fiber or bone and blood. Consequently, if we want to understand the ecology of animals and plants especially in an integrated ecosystem, it follows that great insight can be gained by taking an approach that studies function and integration of parts rather than the individual parts...