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WorksheetsAICE Marine Unit 4b Exam Review
Total questions: 10
Worksheet time: 7mins
A coral polyp is actually
an animal found in Phylum Coelenterates
an animal found in Phylum Chordata
a plant found in Phylum Bryophyta
a plant found in Phylum Aniospermophyta
Coral polyps build their homes out of
carbon dioxide
calcium carbonate
calcium manganese
carbon monoxide
Coral Reefs are found in
tropical waters
waters around the South pole
sub-tropical waters
A and C
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%
25%
40%
Where is the Great Barrier Reef located?
Puerto Rico
Florida
Indonisia
Australia
Coral bleaching is:
an overgrowth of algae
when coral polyps reject the zooxanthellae living inside
a disease that attacks coral
how marine biologists clean up the coral
Select the potential consequence of ocean acidification for coral reef systems.
bleaching of coral
decreased algal production
reduced dispersal of coral larvae
destruction of coral reef structures
After 22,800 years, approximately what percentage of the original carbon-14 remains?
15%
12.5%
6.25%
3.125%
