They have different genes.
I believe that the answer is Common Fiber... BUT... I don't know for sure!
Hope I helped.
-Abigail.
Answer
D) colons should be used after independent clauses that come before lists.
Explanation:
1. Mutualism ~ When both organisms benefit.
Egyptian Plover and crocodile
2. Commensalism ~ Only one organism benefits but the other remains neutral
Bird nest and Tree
3. Parasitism ~ Only one organism benefits and the other is harmed;
Dog and Ticks