Classification of Animals According to Body Parts and Use

Which is NOT a way scientists classify animals into groups?

• by how much they weigh

• by their body covering

• by whether they are cold-blooded or warm-blooded

• by whether they are vertebrates of invertebrates

Which animal is NOT cold-blooded?

• a fish

• a mammal

• a reptile

• an amphibian

Cold-blooded animals body temperature fluctuates, whereas warm-blooded animals body temperature stays constant.

• True

• False

In which animal group are humans classified?

• birds

• amphibians

• mammals

• reptiles

Fish are vertebrates.

• True

• False

Amphibians are invertebrates.

• True

• False

Reptiles have moist skin.

• True

• False

Birds have scales.

• True

• False

Mammals have hair or fur.

• True

• False

Mammals are one of the classifications. Mammals are known for:

• Having feathers.

• Having fur and feeding their young milk.

• Laying eggs.

• Having no spine.