March 10th Starter

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March 10th Starter

By Daniel McNamee

Poll

Which group of invertebrates uses fluid-filled tubes to move or get oxygen?

• cnidarians

• echinoderms

• arthropods

• worms

Poll

Mollusks with two shells are called...

• cephalopods

• bivalves

• gastropods

Poll

Which is t characteristic of an arthropod?

• Jointed appendages

• Radial symmetry

• Stinging cells

• "Endo-" means "inside"

• What group has it?

• "Exo-" means "outside"

• ​Made different ways, different materials.

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Endo- or exoskeleton