IBESS 2.4 AquaticEcosystems
Authored by Anne Toth
Social Studies, Science
9th - 12th Grade
Used 23+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coral secrete _______________ that creates the structure of the coral reef.
Sediments
Zooxanthellae
Calcium carbonate
Sodium bicarbonate
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Corals who have zooxanthellae (choose all that apply)
have color
can build reefs
need shallow, nutrient-poor water
have a wide range of tolerance
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Coral bleaching is (choose all that apply)
When the zooxanthellae leave the coral polyp
How marine scientists clean up the coral
A disease that attacks the coral
An overgrowth of algae
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Algae use photosynthesis to make food but it also contributes to the corals
Vibrant color
Hardness
Attracting fish
Being poisonous
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What can cause the symbiotic zooxanthellae-coral relationship to break down? (choose all that apply)
Decreased runoff from surrounding land
Nutrient-poor water
Rising Temperatures
Ozone layer destruction
Decreasing pH levels
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do zooxanthellae help corals?
Providing sugars to corals
Providing pretty colors
Providing oxygen to corals
Providing protection to corals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is ocean acidification?
A reduction in the pH of the ocean
An increase in the pH of the ocean
When salinity increases
When salinity decreases
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