Hummingbirds have a beak just the right length to reach the nectar in a cardinal flower and as they feed, they touch the pollen structure, transferring pollen from one flower to another.

Coevolution, Convergent Evolution, or Divergent Evolution?

I believe the correct answer would be Coevolution.

The definition of coevolution is "Two or more species evolving together" and as the hummingbird and flower influence one another I believe that would be the perfect example of coevolution.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

the endomembrane system i think