Invertebrate Review

Animals that have a backbone are called

• vertebrate

• invertebrate

What is the body of an arthropod, such as a grasshopper, covered with?

• moist skin

• scales

• a hard exoskeleton

• fur

What is the largest group of arthropods?

• jellyfish

• scorpions

• insects

• mammals.

Which animal is NOT a mollusk?

• clam

• slug

• spider

• snail

Which animal is not a stinging animal within the phylum Cnidaria?

• jellyfish

• sea anemone

• coral

• clam

Animals that do not have a backbone are called__.

• vertebrates

• invertebrates

Animals with jointed appendages and a hard exoskeleton for protection and support are called___. (Ex. ant, spider, crab, millipede)

• fish

• arthropods

• mollusk

A starfish is an __ because it has tough, spiny skin.

• echinoderm

• mammal

• mollusk

• cnidarian

This group of animals has soft bodies and may have one or two shells. (examples: slugs, snails, clams, scallops)

• echinoderms

• arthropods

• platyhelminthes

• mollusk

Some flatworms, such as tapeworms, must live inside of a host organism in order to survive. Because of this, tapeworms are considered __________.

• parasite

• free-living

• beneficial