Answer:
1- C, evolution.
2- D, adaptation.
3-A, gene. (if it is multiple choice, then its A and B.)
4-E, fitness.
Add-on:
sorry if its incorrect, hope this helped you.
it is a producer the bottom of the food chain and it is responsible for feeding the smaller fish through making its energy by photosythesis so yes its a producer
True, fatty acids arent able to get to the brain cells because of the blood braid barrier,, ketone bodies produced by the liver are the only other energy sources, though they arent nearly as proficient.
