It's very quiet/ very silent in the zoo.
What's the difference between "Quiet" and "Silent"?
Use silent if there is no sound.
Use quiet if there's sound, but it's not very loud.
I love the amazing abundance/ diversity of the animal world. There is such a wide range of different animal species.
I love the amazing diversity of the animal world. There is such a wide range of different animal species.
You can see a variety of wildlife/ wild animals in the zoo
You can see a variety of wild animals in the zoo