7th Grade Invertebrate Review

What do all arthropods have?

• 6 legs

• 8 legs

• stiff legs

• jointed legs

True or false. Every arthropod has an exoskeleton.

• true

• false

What type of worm is a tapeworm?

• Flatworm

• Roundworm

• Segmented worm

• Annelid

What is an example of a worm that would belong to the Phylum Annelida?

• Earthworms

• Roundworms

• Flatworms

• Silkworms

What makes cnidarians different from sponges?

• Cnidarians are multicellular

• Sponges are multicellular

• Sponges are not mobile

• Cnidarians have cells that are organized into tissues

_______________ are animals that move very little and their bodies are full of holes.

• exoskeleton

• sponges

• arthropod

• sea urchins

Corals and jellies have arm-like parts called?

• sponges

• invertebrates

• exoskeleton

• tentacles

Snails, squids, octopuses, clams, oysters and scallops all belong to the same group called?

• vertebrates

• sea urchins

• arthropod

• mollusks

A(n) _____________ is an invertebrate that has jointed legs, a body with two or more sections, and a hard outer covering.

• Exoskeleton

• Vertebrate

• mammal

• arthropod

The hard outer covering of an arthropod is called a(n)?

• Skeleton

• Exoskeleton

• Skin

• roof