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Unit B, Ch3 Test

Last updated about 1 year ago
37 questions
Note from the author:
This test also has an attached chart to complete
1

To survive, all biotic organisms need all of these except?

1

The word 'muscular foot' is commonly used to describe which group of animals?

1

Which animal uses protein rods for their skeletal structure?

1

Which of these would an arthropod NOT do to protect itself immediately after it molts?

1

Why does an arthropod need to molt?

1

What happens to an arthropod's exoskeleton after molting?

1

Which of these is a mollusk without a shell sometimes found in gardens?

1

What does a sea urchin use for movement and feeding?

1

What protects a sea urchin from predators?

1

How does a sea urchin breathe?

1

What do sea urchins primarily eat?

2

List or describe two ways in which a bivalve can protect itself when it closes its shells.

2

List two ways earthworms help plants grow.

1

What type of exoskeleton does a spider have?

1

What characteristic feature do cnidarians share?

1

Which of the following is not a characteristic of arthropods?

1

What category of animals do flatworms and roundworms belong to?

1

How do echinoderms usually move?

1

What type of digestive system does a roundworm have?

1

What type of animals are classified as cnidarians?

1

What is a key feature of an insect’s physical structure?

1

What is the term for a skeleton that is outside of an animal's body?

1

What type of skeleton does an insect have?

1

Which statement about parasites is incorrect?

1

What type of worm has only a single opening to its digestive system?

1

Which one of these is not a water breathing method

1

Which type of animal can extract oxygen from water through its skin?

1

Which of the following is an example of an echinoderm?

1

mollusks move their muscular feet to

1

Which of these is not typical of invertebrates?

1

What is common in echinoderms but not in mammals?

1

What group do animals like worms, snails, and octopus belong to?

1

Which of the following is an invertebrate?

1

Why don't invertebrates have a backbone?

1

Animals that have backbone are also known as ____?

1

What is radial symmetry in biological organisms similar to?

1

Which animal group does a starfish belongs to?