Grade 6 Science Quiz: Vertebrates and Invertebrates

Which of the following animals has a backbone?

• A. Earthworm

• B. Crab

• C. Frog

• D. Jellyfish

What is the main characteristic that distinguishes vertebrates from invertebrates?

• A. Type of food they eat

• B. Presence or absence of a backbone

• C. Their color and size

• D. Ability to move

Which of the following is an example of a vertebrate?

• A. Spider

• B. Dolphin

• C. Snail

• D. Coral

What type of skeleton do vertebrates have?

• A. External skeleton

• B. No skeleton

• C. Internal skeleton

• D. Flexible shell

Which of the following is NOT a vertebrate?

• A. Bird

• B. Fish

• C. Starfish

• D. Reptile

A student finds an animal with a soft body and a shell. It has no bones inside. To which group does it belong?

• A. Vertebrates

• B. Arthropods

• C. Mollusks

• D. Amphibians

Which characteristic is common among all vertebrates?

• A. They have segmented bodies.

• B. They have a backbone and skull.

• C. They have antennae.

• D. They live only on land.

A farmer sees a cow, a chicken, and a snake in the field. What do these animals have in common?

• A. They are cold-blooded animals.

• B. They all have backbones.

• C. They all lay eggs.

• D. They are invertebrates.

What group of invertebrates includes animals with jointed legs and exoskeletons?

• A. Mollusks

• B. Arthropods

• C. Echinoderms

• D. Worms

A biologist studies an animal that can live both on land and in water, has moist skin, and lays eggs. To which class does it belong?

• A. Amphibian

• B. Reptile

• C. Bird

• D. Fish