How much time will it take for a coyote to travel 48 meters across the field to get to the unsuspecting rabbit eating grass in the field? He is travelling at 4 m/s

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.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide