Complete the text with the correct comparative or superlative form of

Complete the text with the correct comparative or superlative form of the adjective in brackets ().

Crocodiles and alligators are some of (dangerous) reptiles on earth. What is the difference between them? Crocodiles have a (thin) nose and are a (light) colour they are brown, while alligators are greyish black.
Cheetahs are (fast) animals on earth. What is the difference between a cheetah and a leopard? Cheetahs are (small) than leopards and they have (dark) spots. Leopards have (powerful) teeth and jaws to eat big bones.
Turtles and tortoises are some of (friendly) reptiles and make excellent pets. How can you tell the difference? A turtle has (long) feet and its shell is (flat). It likes to live in the sea. A tortoise has (short) feet and a (round) shell and it likes to live on land.