Unit 1 Test Animals

Name

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1. Animals with backbones

• vertebrate
• invertebrate

2. Animal without a backbone.

• vertebrate
• invertebrate

3. A vertebrate that spend part of their lives in water and part on land are called

• reptiles
• amphibians
• birds

4. Lizards, snakes, turtles, alligators and crocodiles are _________

• reptiles
• amphibians
• birds
• mammals

5. Birds are designed for flying. Their bones are ______ and light.

• heavy
• hollow
• small

6. The most primitive of the animal groups are called ____. They have no organs.

• sponges
• cnidarians
• worms

7. Cnidarians have mouths surrounded by stinging ________.

• arms
• tenteacles
• hair

8. A koloa is one. It gives birth to partially developed offspring.

• marsupial
• placental mammal
• monotreme

9. Worms have this kind of symmetry because they can be divided along only one plane.

• asymmetrical
• bilateral
• radial