Marine Invertebrates

This animal exhibits...

• Bilateral Symmetry

• Radial Symmetry

• No Symmetry

Answer explanation

Yes, the left and right sides are the same

This organism exhibits...

• No symmetry

• Bilateral symmetry

• Radial symmetry

Answer explanation

The body parts are arranged like spokes of a wheel

What does it mean when an organism is hermaphroditic?

• They produce female gametes

• They produce both male and female gametes

• They produce male gametes

• They produce no gametes

Which phylum does an octopus belong in?

• Porifer

• Cnidaria

• Mollusca

• Arthropoda

Answer explanation

Yes! It has a soft body and internal "shell"

Tags

NGSS.MS-LS4-2

Which phylum does this anemone belong in?

• Porifer

• Cnidaria

• Mollusca

• Arthropoda

Answer explanation

Yes! it has stinging cells surrounding its mouth

Tags

NGSS.MS-LS4-2

Which phylum does this crab belong to?

• Porifera

• Cnidaria

• Platyhelminthes

• Arthropoda

Answer explanation

Yes, it has a hard exoskeleton (outer skeleton) made of chiton (like your fingernails)

Tags

NGSS.MS-LS4-2

Sponges "eat" by moving water through the small pores and out the larger pore at the top while the "food" is transported by collar cells. This is an example of what feeding strategy?

• carnivore

• suspension feeding

• filter-feeding

• detritivore

Answer explanation

yes, it is filtering the food out of the water column

This sandcastle worm uses its feeding tentacles to catch food particles suspended in the water. What is the name of this feeding strategy?

• detritivore

• carnivore

• filter-feeding

• suspension feeding

Tags

NGSS.MS-LS2-1

This sunflower seastar feeds by pushing its stomach out and using stomach acids to dissolve the clam. Since it is feeding on another organism, what feeding strategy would this be?

• detritivore

• carnivore

• filter-feeding

• suspension feeding

Tags

NGSS.MS-LS1-7

This person is holding a very small worm on their finger. This worms body is very flat. What phylum does it belong to?

• Porifera

• Cnidaria

• Mollusca

• Platyhelminthes

Answer explanation

yes, remember PLAT = FLAT!

Tags

NGSS.MS-LS4-2