
Deep Sea Coral Ecosystems Quiz
Interactive Video
•
Biology
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What recent discovery has challenged our understanding of deep sea ecosystems?
The discovery of new fish species
The presence of diverse coral reefs in deep sea canyons
The existence of underwater volcanoes
The identification of new ocean currents
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do deep-sea corals obtain nutrients in the absence of sunlight?
Through symbiotic relationships with fish
Through photosynthesis
By consuming marine snow and microorganisms
By absorbing nutrients from the water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary component of the skeletons formed by deep-sea corals?
Silica
Calcium carbonate
Magnesium
Iron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which coral species is known for forming large reef structures in the deep sea?
Acropora
Porites
Lophelia pertusa
Montipora
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the estimated age of some of the oldest coral colonies found in deep-sea gardens?
1,000 years
4,200 years
500 years
2,700 years
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of marine life is commonly found living on or near the sea floor in deep-sea coral gardens?
Pelagic fish
Plankton
Demersal animals
Sea turtles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant threat to deep-sea coral reefs caused by human activity?
Bottom-trawl fishing
Oil drilling
Plastic pollution
Climate change
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