How many different kinds of animals are there?

What is your name?

2. Choose all the characteristics that scientists use to group animals. There may be more than one answer.

• Whether it has bones or no bones
• Whether it lays eggs or gives birth to live young
• Whether it has scales, feathers, or hair
• What color it is
• What it eats

3. Scientists only look at the outsides of animals’ bodies to figure out which group they belong to.

• True
• False

4. Bats have wings and can fly, but scientists do not group them with birds. Why is that?

5. Tarantulas are covered in hair, but scientists do not group them with mammals. Why is that?