Answer:Mutualism
Explanation:a relationship in which both species benefit, is common in nature. In microbiology, there are many examples of mutualistic bacteria in the gut that aid digestion in both humans and animals. Commensalism is a relationship between species in which one benefits and the other is unaffected.
There are four phyla or categories of fish, Hagfish, lampreys, cartilaginous and bonyfish.
Answer:
C.
Explanation:
This is because asexual reproduction has no genetic variation.
The answer is d. pheromones.