Carefully review the image. Based on this food web, fill in a trophic-level ecological pyramid that represents this ecosystem. In your model, show how energy changes as it moves up the pyramid.

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

If animal agriculture was eliminated, how much grain would become available for human consumption?