Answer:
A. Coevolution
Explanation:
Coevolution occurs when two species/organisms reciprocally affect the evolution of one another. An example is the coevolution is flowering plants and associated pollinators (e.g., bees, birds, and other insect species). Moths benefit form nectar and orchids benefit from pollinaton.
Explanation:
Cell wall is not present in animal cells .
Answer - Theory
Reasoning - Your best bet and term to describe the evolution by natural selection is theory as to still scientific theory/research is still ongoing and changes can be made in a different direction.