There is nothing in Islam specifically forbidding the eating of omnivores because the concept did not exist when the rules were made.
Muslims along with Jews do not eat pigs, which are omnivores, but there seems to be no particular justification for that except for custom. They are simply regarded as "unclean".
Omnivores eat both animals and plants.
Chickens are omnivores. They eat both plants and small animals.
Animals that eat other animals are carnivores (or omnivores), therefore an animal that eats crocodiles must be a carnivore.
Carnivores and omnivores eat other animals and herbivores and other omnivores eat plants.
Omnivores get energy from the food they eat, as does carnivores and herbivores..
Yes.
chickens
They may eat bread as and when they like.
Cheetahs are obligate carnivores, they must eat meat.
Yes, they do.
Yes, they do.
No particular effects.
no
Omnivores eat both plants & animals.
Yes, the Muslims eat fruit with great relish.
omnivores eat both meat and plants
Omnivores eat both animals and plants.