Phylum Cnidaria/Coral Reefs

Name this body type.

• Medusa

• Polyp

Name this body type.

• Medusa

• Polyp

Cnidarians are named after __________, the stinging cells found in their tentacles.

• cnidocytes

• cnidocils

• nematocysts

• cniliocysts

All jellyfish belong to phylum ____________.

• Cnidaria

• Hydrozoa

• Anthozoa

• Scyphozoa

All of the following animals belong to phylum Cnidaria EXCEPT:

• jellyfish

• anemones

• corals

• octopuses

Corals have a mutualistic relationship with a dinoflagellate called:

• Ocelli
• Zooxanthellae
• Sponges
• Diatom

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If you're stung by a jellyfish, which is NOT a good remedy?

• rinse with vinegar

• rinse with seawater

• urinate on the affected area

• seek emergency treatment if difficulty breathing

A coral polyp is actually

• an animal found in Phylum Cnidaria

• an animal found in Phylum Chordata

• a plant found in Phylum Bryophyta

• a plant found in Phylum Aniospermophyta

What are coral reefs often compared to?

• forests

• gardens

• rainforests

• deserts

What percentage of the ocean's sea life lives in coral reefs?

• 10 -15%

• 20%

• 45%

• 25%