Animal classification and vocabulary ESL

The two main groups of animals are Invertebrates and vertebrates.

• True

• False

Invertebrates are animals that do not have a .....

• skeleton

• backbone

• heart

• brain

Which animal group has the most members?

• Invertebrates

• Vertebrates

How many classes of animals are in the vertebrates group?

• two

• four

• five

• ten

Which classes of vertebrates have gills so they can breathe in the water?

• fish and reptiles

• mammals and fish

• fish and amphibians

• birds and reptiles

Which class of vertebrates has feathers for warmth?

• mammals

• birds

• reptiles

• amphibians

Which classes of vertebrates have scales covering their bodies?

• fish only

• fish and reptiles

• fish and birds

• fish and amphibians

Which class of vertebrates has fur or hair for warmth?

• birds

• mammals

• reptiles

• amphibians

Cold blooded animals cannot keep a steady body temperature.

• True

• False

Which classes of animals are warm blooded?

• reptiles and mammals

• birds and mammals

• reptiles and birds

• amphibians and birds