#138 Introduction to Animals Ch9 Test

1. Which type of animal has a mantle?

• snail
• beetle
• earthworm
• lizard

2. Which trait is common to all animals?

• cell walls
• fur or hair
• nerve cells
• tails

3. Scientists group animals using a system called

• behavior.
• taxonomy.
• adaptation.
• stimulus

4. What is an essential characteristic of an adaptation?

• It is helpful.
• It is structural.
• It is behavioral.
• It is parasitic

5. Which description best fits an invertebrate?

• an animal that eats other animals
• an animal that lives on land and water
• an animal that does not have a backbone

• an animal that feeds on others

Tags

NGSS.MS-LS4-2

6. Which group of invertebrates contains the most animals?

• cnidarians
• arthropods
• echinoderms
• Mollusks

Tags

NGSS.MS-LS4-2

7. To which group of vertebrate chordates do humans belong?

• reptiles
• mammals
• amphibians
• Birds

Tags

NGSS.MS-LS4-2

8. During __________ the body form of an organism changes as it grows from an egg to an adult.

• adaptation
• gill
• metamorphosis
• parasite

9. An inherited trait that increases a species' chances of survival is a (n) __________.

• adaptation
• gill
• metamorphosis
• parasite

Tags

NGSS.MS-LS4-4

10. A (n) __________ exchanges oxygen and carbon dioxide in water.

• adaptation
• gill
• metamorphosis
• parasite