Polar bears seals penguins
Competition.
other whales, seals, sharks, fishes, jelly fish .
Gorillas and jaguars don't live in the same environment. Gorillas live in Africa and jaguars are in the Amazon rainforest. Animals neither like or dislike other animals. They see them as food or not.
It is not correct to limit the freedom of animals by trapping them in zoos. However, I do recommend using open zoos with the same environment that animals used to live in.
Aquatic plants and animals live together in the pond because they both bond in the their same environment to either help each other with benefit or even provide a home.
Actually there are millions such as snakes and toads , because toucans live in the rain forests.
No. Coyotes are not in the same environment as the Big Horn sheep and they live off of small rodents and animals.
Lizards are reptiles, and reptiles are cold blooded which means they can stand massive heat. So yes, they can live in the same type of environment but they all can live in the same exact environment.
No animals live on Antarctica: it's too cold and there is no food chain. Sea mammals and sea birds visit Antarctica's beaches, because there are no land predators there.
A micro pig lives in the same environment that we live in.
For the same reason they tag almost all animals, to study them.
No