Sentence number five is considering part of the evidence that is showing why in this paragraph Zoo's are considered as places for protecting animals.
In the sentence five, there is an explanation of protection that Zoo's are offering in order to save those animals that needs to be protected or they are endangered species that also need protection. Zoo is the only place that can give those animals proper protection and care and those animals can also educate the children and adults, they can inspire them and people can learn faster and better with the animals in front of them.
