As animals move up in the food chain they start to have larger competition for food with other animals, deer compete with elk and even rodents that eat the same food as them. They must fight for food and survival.
The answer is A cuz a food chain starts with solar energy
Irk look it up on the computer
Well scientists will be able to study organisms more efficiently, and they will be able to organize them into groups based on their cell structure, behavior, habitat, similarity, and more.
