4.) That species may have more than one source of food.
5.) Secondary consumers eat herbivores.
6.) A food chain shows how energy is transferred.
7.) A tapeworm is an example of parasitism.
8.) Commensalism is the relationship where one is happy and the other is not harmed nor benefited.
9.) Both contribute to each other so it's mutualism.
10.) The plants grow in trees and steal from them, this is parasitism.