What affect would a decrease in primary consumers have on the a- p- e- x- p- r- e- d- a- t- o- r?

The image shows embryos of three vertebrate classes

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

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they