I would go with B & D because they change over time and they can go extinct like those big octopus in the oceans, they are rare to see in my opinion because they can blend in with other things that keeps them away from danger.
Answer:
d. Oxidative
Explanation:
Oxidative phosphorylation is the main type of phosphorylation that occurs in mitochondria of all aerobic type organisms.
Out of the options I would have to say Penetrating Keratoplasty, I am not sure
Answer:
Destruction of habitats, Introduction of non-native species, pollutions, and the over harvesting of species.
