Arthropods

Arthropods make up how many percent of invertebrates?

What is the exact definition of an exoskeleton?

Which of the following is a characteristic of an arthropod?

• They have feathers.

• They have fur or hair.

• They have an exoskeleton.

• They have a backbone.

What is the hard structure that covers an arthropod's body?

• the abdomen

• the thorax

• a jointed leg

• the exoskeleton

What are the three main parts of an insect's body?

• head, thorax, and abdomen

• head, legs, and thorax

• claws, legs, and head

• head, legs, cepthalorax

Which of the following is a characteristic of many arachnids?

• They have claws.

• They are poisonous.

• They live in water.

• They have three body parts.

Where can you find arthropods?

• in the ocean

• on land

• in the air

• all of the above

The head and thorax make up which part of a spider's body?

• the abdomen

• the exoskeleton

• the cepthalorax

• the legs

Which of the following is a characteristic of most crustaceans?

• They live in water

• They have a backbone

• They have three body parts.

• They are poisonous