<span>it has to be in living organisms, it has to have a plasma membrane and it has to arise from a previously existing cell.</span>
When you don't know whether an animal was once a Carnivore, Omnivore, or Herbivore, all you have to look for is the teeth. Carnivores have long canines, as well as overall sharper teeth, while omnivores and herbivores contain flat molars.
<span>It can be noted by seeing the changes in chemical makeup of the rock through oxydation & hydrolysis.</span>
