How can the energy animals use for body repair, growth, motion, and body warmth be traced back to the sun?
HEL

neither accurate nor precise.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.