Answer:
Id say A
Explanation:
I think it would be A just because prokaryotics dont have no nucleus and prokaryotics have no cell walls because they are not plants.
I'd go with option D. Though we cannot see exactly what has changed, as changes are often quite gradual, we can observe intermediates that link different species together.
The answer is A) rabbit, because the only thing in this list that eats grass is a rabbit, and bobcats eat rabbits.
Hope this helps