ARE ZOOS CRUEL FOR WILD ANIMALS?

While many people may think that you can learn from the animals in the zoo I personaly think that zoos are a prison of animals because they aren't free in the world and every living being deserves to be free

There are several reasons which support my opinion.
Firstly, they are mistreated in zoos they hurt them and they die more because they take them out on their natural habitat 

Secondly animals are moved from their natural habitat, zoos are detrimental for the animals and they aren't free, they are less confortable 

I personally consider that because