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Coral Reefs
Test Description: Quiz on Coral Reefs
Instructions: Answer all questions to get your test result.
1) Where are coral reefs located?
A
Subtropics
B
Mid-latitiudes
C
High Latitudes
D
Tropics
2) What is the name of the animal part of a coral?
A
zooxanthellae
B
medusa
C
dinoflagellate
D
polyp
3) What do hard corals extract from seawater for their skeleton?
A
collagen
B
sulfate
C
calcium
D
magnesium
4) What is the name of the symbiotic organisms that live inside a coral?
A
gorgonia
B
nematocysts
C
cnidocytes
D
zooxanthellae
5) What is the proper sequence in reef formation?
A
atoll, barrier, fringing, patch
B
patch reef, atoll, barrier, fringing
C
fringing reef, barrier,patch, atoll
D
barrier reef, fringing, patch,atoll
6) How do corals reproduce?
A
sexually only
B
they don't reproduce
C
asexually only
D
asexually and sexually
7) How old are most coral reefs?
A
Over 50 million years
B
10,000-15,000 years
C
1,000-5,000 years
D
5,000-10,000 years
8) How fast do most corals grow per year?
A
1 inch
B
2-4 inches
C
6-8 inches
D
8-10 inches
9) What give corals their color?
A
nematocysts
B
gastodermis
C
cnidocytes
D
zooxanthellae
10) How do corals get food?
A
Filter-feeding only
B
Order it from Burger King
C
Filter-feeding and zooxanthellae
D
Zooxanthellae only
*select an answer for all questions
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