G6 Module

Which of these animals is a mollusk?

• squid

• corals

• spiders

• lobsters

To which group do sea urchin and starfish belong?

• Porifera

• Arthropods

• Cnidarians

• Echinoderm

Mollusks have shells

• true

• some do, some don’t

• false

• only bivalves do

Arthropods

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• 
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Cnidarians are animals with

• bilateral symmetry

• no bones

• appendages

• stinging cell

The name echinoderm means

• double life

• two shells

• spiney skin

• ringed body

The number of body segments Arachnids have

• two

• three

• four

• one

To which set of animals do corals belong?

• parrots and ducks

• jellyfish and hydra

• starfish and sea urchin

• earthworms and leeches

How do snails and clams differ from grasshoppers and dragonflies?

• Snails and clams have hard shells while grasshoppers and dragonflies have none.

• Snails and clams have soft spines while grasshoppers and dragonflies have none.

• Snails and clams have segmented bodies while grasshoppers and dragonflies have none.

• Snails and clams have the same characteristics with grasshoppers and dragonflies.

Which arthropods have six legs?

• crustaceans

• spiders

• insects

• arachnids