Which of the following best explains why omnivores do not have a specific place in the food chain? A Omnivores can eat plants and animals, but they are also eaten by other carnivores.

B Omnivores can be the top-level organisms except when they have no prey.

C Omnivores can only eat other omnivores, so they do not belong in the food chain.

D Omnivores can gain energy from photosynthesis, as well as from eating other animals.