Answer:
If the amount of caffeine increases, then the breathing rate of goldfish will decrease.
Deer live in mixed forests habitats, on wooded farmlands and even in suburban areas of established cities. In winter they take to coniferous forests for shelter. Deer are a prey species, providing food for coyotes, bobcats, cougars, wolves and occasionally humans. In turn, the species helps keep vegetation in check.
2, because a theory is not a law that can not be changed, and new evidence can change a theory.
I think the answer is enzyme
