Marine Invertebrates

What body plan do echinoderms exhibit?

• radial symmetry
• bilateral symmetry
• asymmetry
• external asymmetry

Which class of Mollusks include clams, oysters, and mussels?

• Gastropods
• Bivalves
• Cephalopods

Which class of Mollusks include squid, cuttlefish and octopus?

• Gastropods

• Bivalves

• Cephalopods

What surrounds the mouth of Cnidarians?

• guard cells
• pinococytes
• tentacles
• spines

What are the organelles inside the stinging cells that inject paralyzing toxins into their prey?

• pinacocytes
• lysomatocyts
• choanocytes
• nematocysts

Tags

NGSS.MS-LS1-2

What Mollusk group does the picture belong to?

• Gastropod
• Bivalve
• Cephalopod

What Mollusk group does the picture belong to?

• Gastropod
• Bivalve
• Cephalopod

Mollusk's tongue-like strip covered with teeth that point backward is called the ____

• trochopore
• radula
• gills
• visceral mass

Tags

NGSS.MS-LS4-2

Lobster, shrimp, and crabs are examples of what group of Arthropods?

• Chilopoda
• Diplopoda
• Crustaceans
• Arachnida

What produces the shell of a Mollusks?

• stomach
• radula
• mantle
• gills

Tags

NGSS.MS-LS4-2