Answer:
Bark
Explanation:
The scales on the fish serves as protection for the fish. And the tree bark serves as protection for the tree.

The following animals have been cloned:
Carp, cats, cattle, a deer, dogs, a ferret, a frog, fruit flies, a gaur, goats, horses, mice, a mouflon, mules, pigs, a pyrenean ibex, a rabbit, a rat, rhesus monkeys, sheep, a water buffalo, a wolf, and a zebrafish.
B - tectonic plates pulling apart.
Lava flows, ground deformation,mudflows,landslides and possibly tsunamis