the correct answer would be b. lower permeability
Answer:
Cellular respiration
Explanation:
Respiration is the process by which energy is made. Aerobic respiration requires oxygen.
All the other processes listed do not require oxygen to.
.-. from what I can see, no :/. but then again I cant see the model for the dog if there isnt. But based of this, the Skeleton structure isnt within a same group class, but the Dolphin and Dog do share a similar inside, such as similar Lungs, Immune system, both require air to breath (despite the dolphins ability to live in water)
there is no need to find a mate