Invertebrates

What is an exoskeleton?

• A hard outer structure that supports and protects an animal's body

• A soft inner layer of an animal's body

• The backbone of an animal

• The wings of an insect

What does the term "invertebrate" refer to?

• Animals with a backbone

• Animals without a backbone

• Animals with wings

• Animals with fur

What is a larva?

• The adult stage of an insect

• The egg stage of an insect

• The young form of an insect that looks different from the adult

• The cocoon stage of an insect

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What is a nymph?

• The adult stage of an insect

• The young form of an insect that looks similar to the adult

• The egg stage of an insect

• The cocoon stage of an insect

What are animals without backbones called?

• Vertebrates

• Mammals

• Invertebrates

• Amphibians

What do many invertebrates, such as insects, have instead of bones?

• Feathers

• Exoskeleton

• Scales

• Fur

Which of the following animals does not have a skeleton at all?

• Grasshopper

• Octopus

• Crab

• Honeybee

What is the first stage of a butterfly's life cycle?

• Caterpillar

• Pupa

• Egg

• Adult

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What do many invertebrates do as they grow larger?

• Grow new legs

• Shed their exoskeletons

• Change color

• Grow wings

Why can octopuses move through small spaces?

• They have small bodies

• They have no skeleton

• They have strong muscles

• They have large eyes