Yes - many predators (that would not normally feed on carrion) will turn to eating dead animals in times of food scarcity.
Nez perce had horses such as Appaloosa and other primary animals that he hunted and used to survive on.
actually the animals cannot survive with our pollution, but they could survive for a couple months after they get used to it.
they change the temp.
Formaldehyde
ihave no idea
If an animals habitat used to be snowy but then the weather and climate changed to a jungle that animal needs to adapt and change its characteristics to survive or else that animals species will die out.
Trebuchets were used to throw stones--or dead animals--with great accuracy.
They live and survive in their habitat. Just like all the other animals in other climates in the world.Some animals in the desert, like camels, can live without water for days. Others can burrow. I think, not KNOW, that burrowing animals can actually find food underground.They do things to help them survive. But don't think that they don't like their homes. Its where they live they have been there for a long time. So they get used to it. They get water by burrowing and from plants like the barrel cactus.
other animals?
To kill other animals. Sometimes if the animal had a master it would bring the dead animal back to its owner and the owner would give the animal a piece of meat.
Camouflage is often used to hide from predators as well as prey.
Stillborn is used for humans, presumably the same for animals.