Na m e : _______________________________________ Date: _____________________
Directions: Review the information in this Venn diagram and answer the following questions.
Look at the information in the connecting circles.
Information that is the same is in both circles.
Information not in both circles is different.
- _____ teeth stay on the outside of the mouth when it’s closed.
- _____ have wide, flat heads and broad, round, noses.
- True or false? An alligator makes its nest underground. ___
- True or false? Both alligators and crocodiles are cold-blooded animals. _____
- True or false? Both crocodiles and alligators eat huge amounts of food. ____
- Where do alligators and crocodiles live? __
- Whose tail is longer than the rest of its body? _____
Alligators and Crocodiles
Alligators and crocodiles are related. They belong to a group of animals called
crocodilians. Although they are often mistaken for one another, there are many
differences that distinguish one from another as you can see in this Venn diagram.
Crocodiles Alligators
Almost all of a crocodile’s
teeth stay on the outside
of its mouth when it is
closed.
Crocodiles build their
nests below the ground
in two or three layers.
A crocodile’s tail is
longer than the rest
of its body.
An alligator’s lower
teeth fit inside the
upper ones.
Alligators have wide,
flat heads with broad,
round noses.
Alligators build their
nests above the ground
using leaves, branches,
and mud.
They live where
the water meets
the land;
Cool themselves by
holding their mouths
open just like a dog.
Are cold-blooded
animals, therefore
they do not have
to eat a lot of food.
Crocodiles & Alligators
