One animal that has greatly benefited form natural selection is the giraffe. It's neck has grew longer and longer so that they can reach the leaves on the top of trees.
Plants are made from Meiosis no matter what
How a rock is used depends on its physical properties.
I feel like the most reasonable answer would be B. A lion is going to hunt no matter what, and even though they are born to do it, the skill takes time to learn and adapt to. I hope i'm right!!!