That would be Directional Selection so the answer is D.
Answer:
The definition of energy is the ability to do work.
One way to think abnout is whenever you have a lto of eneergy you can do a lot of work, but with little energy you can't do much work.
Where 2 carriers of recessive gene have a child, that child has a 1 in 4 chance of receiving 2 albinism genes and having albinism.
These are always that B. nonhuman life in an urban ecosystem differs from that in an undeveloped forest ecosystem. That is the correct answer.