Classification of invertebrates

Is this animal a vertebrate or invertebrate?

• vertebrate because it has a backbone

• Vertebrete because it has no backbone

• Invertebrate because it has a backnone

• Invertebraate because it has no backbones

Answer explanation

All vertebrates have an internal skeleton and a backbone. Invertebrates do not!

What is a vertebrate?

• A plant that has a backbone

• an animal that has a backbone

• An animal that does not have a backbone

• A bug

Answer explanation

Vertebrates are animals that have backbones and a internal skeleton

Which image presents only vertebrates?

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Wha is an arthropod?

• An animal that has a backbone

• An animal with an external hard cover, jointed legs and no backbone,

• A human

• An animal with a backbone and a external skeleton

Answer explanation

Arthropods are the largest group of invertebretes. They have a hard external cover (exoskeleton) that gives them support and protection. They also the legs with joints

Which image represents an arthropod?

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Answer explanation

Centipede is the only invertebrate of the four because it has a hard external cover ( Exoskeleton), and has legs with joints (arhtropod means jointed leg)

which of the following is true?

• All arthropods are vertebrates and all vertebrates are animals

• all arthropodes are invertebrates and all invertebrates are animals

• all vertebrates are arthropods

• all statements are true

Answer explanation

Arthropods are the largest group of invertebrates. All arhtropods have joints in ther legs and a hard cover called Exoskeleton that gives them protection and support.

• True

• False

Artrhopods are divided in 4 subgroups called: Insects, arachnids, crustaceans and myriapods

• True

• False

Which of the following images represents Insects

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Answer explanation

All insects have six legs.

Arachnids are a sub-group of arhtropods that have 8 legs

• True

• False