A biotic factor can limit growth because for an example, if lions eat all of the zebras (for an example), what will other carnivores eat? There will be competition for food.
<span>Gradually working towards bei g able to ve in enclosed spaces. The treatments might begin with such an excersise as being in a crowded room. Then decreasing the size of the room but allowing the same number of people. There are many proven methods to naturally desensatize to the anxiety caused by claustrophobia.</span>
Answer:
Explanation:
roundworms have a body cavity with internal organs.
A roundworm has a complete digestive system, which includes both a mouth and an anus.
The answer is C)Tripeptide
