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WorksheetsCoral Reef Quiz Review
Total questions: 20
Worksheet time: 10mins
Corals are
plants
animals
protists
bacteria
Corals are
mollusks
arthropods
plants
cnidarians
Corals have a mutualistic symbiosis with which photosynthetic bacteria?
phytoplankton
zooplankton
zooxanthellae
chemosynthetic bacteria
What do polyps use to make the shell that encases them and forms the hard skeletons of corals?
calcium carbonate
calcium sulfate
sodium carbonate
sodium sulfate
Which is NOT a type of coral structure?
free-living
encrusting
foliaceous
dish-like
Where are most coral reefs found?
near islands or seamounts
near estuaries
in the abyssal zone
below the photic zone
Why are corals found in shallow water?
to get more interaction with the nitrogen cycle
zooxanthellae need light to photosynthesize
to get more interaction with the carbon cycle
to be protected from deep sea predators
Which is needed for optimal coral growth?
dim lighting
broad range of pH
high water clarity
soft substrate
Coral's stinging cells are called:
nematodes
nematocells
nematocysts
nematostings
Which is NOT a type of coral reef?
atoll
estuarian reef
barrier reef
fringing reef
What is the most common type of coral reef?
Atoll
barrier reef
benthic reef
fringing reef
What reef is found closest to the continents?
Atoll
barrier reef
estuarian reef
fringing reef
What reef is created by the erosion of a volcanic island, leaving only water in the middle?
Atoll
barrier reef
estuarian reef
fringing reef
What reef has a lagoon between it and the land mass?
Atoll
barrier reef
abyssal reef
fringing reef
What type of reef is pictured?
Atoll
barrier reef
fringing reef
What type of reef is pictured?
Atoll
barrier reef
fringing reef
What type of reef is pictured?
Atoll
barrier reef
fringing reef
Which would slow coral growth?
zero to low water pollution
abundance of light
changing water temperature
narrow salinity range
Keys or cays are formed when sand or sediment gathers on the reef and forms an island.
True
False
Why are corals so sparse in the lagoon of a barrier reef?
Corals prefer the sediments washed in by the waves.
Corals prefer the deeper waters past the fore-reef slope.
Corals prefer the sunny waters of the reef crest and fore-reef slope.
Corals prefer to grow on top of a sand cay.
