The problem for many animals is that their [?] environment is becoming [?] and smaller. Many animals are now rare and in [?] of extinction. Zoos can offer a home to animals which no [?] have anywhere else to live.

Zoos do not need to be cruel and [?] places for animals. Nowadays many zoos give animals much more [?] than in the past and try to create a natural [?] whenever possible. Going to a zoo is not only an enjoyable [?], but it is educational (particularly for children) and it is better than a book or a television [?] if we want to learn about wildlife. Zoos allow us to study [?] and to protect them. Zoos are even more important today than they were in the [?].