Animal Biology Quiz

What does the term "exoskeleton" refer to?

• A skeleton located inside the body.

• A hard outer structure that provides support and protection.

• A type of muscle found in animals.

• A soft tissue covering the body.

Which of the following animals is an example of an arthropod?

• Octopus

• Spider

• Earthworm

• Jellyfish

What is the main characteristic of animals without backbones?

• They have an internal skeleton.

• They lack a backbone.

• They are all microscopic.

• They only live in water.

Tags

NGSS.MS-LS4-2

How do invertebrates differ in size?

• All invertebrates are the same size.

• Some invertebrates are tiny, while others can grow very large.

• Invertebrates are always smaller than vertebrates.

• Invertebrates only grow to a medium size.

What process skill is used when you group things based on shared properties?

• Classification

• Observation

• Measurement

• Experimentation

Tags

NGSS.MS-LS4-2

What is the one thing that all invertebrates have in common?

• They have a backbone.

• They lack a backbone.

• They are all vertebrates.

• They all live in water.

Approximately how many out of every 100 animals are invertebrates?

• 50

• 75

• 95

• 100

What is the term used to classify smaller groups of invertebrates based on their characteristics?

• Species

• Phylum

• Class

• Genus

Which of the following is NOT an example of an invertebrate?

• Mollusk

• Arthropod

• Roundworm

• Fish

Why is classifying animals into groups important?

• It helps keep track of the large number of animal species.

• It reduces the number of animals in the world.

• It makes animals easier to find in the wild.

• It helps animals grow faster.