Answer:
Some species are similar in structure because they are evolved from the same ancestors while some differences are also present in them due to the changes occurs in the body because of adaptation to environmental conditions.
Grizzly bears and sea otters have canine teeth because canine teeth are used to crushing hard food materials such as fishes and shells.
Explanation:
Canine teeth are present in the grizzly bear and sea otters due to eating of food materials which are hard. Canine teeth used to crush the food materials.
Irreversible climate change and damage to marine and land life/humans.
If animals are only reproducing with each other so they will most likely get the same traits or very similar traits
Answer:
Yes, there could be a fourth statement to cell theory
