Coral Physiology Types of reefs Darwin- Dana Daly Theory of atoll formation Reef Erosion
100
What is coral bleaching
Coral bleaching is the loss of symbiotic algae from the tissue of corals as a result of environmental factors.
100
What is ahermatypic?
Soft corals that do not build reefs.
100
What is how many types of reefs are there? must name them all.
(4) Fringing reefs, barrier reefs, atolls, patch reefs.
100
What is typically found between fringing reefs and barrier reefs?
Patch reefs.
100
What is the age of most coral reefs?
Between 5000 and 10000 years old.
200
What is the name of the special phylum that all corals belong to?
Cnidarians
200
What is hermatypic?
Hard corals capable of reef building
200
What is the name of the person who studied the geomorphology of coral reefs stated in unit 5?
Darwin
200
What is a patch reef?
Small, isolated reef usually located within the lagoon of a barrier reef.
200
What is reef erosion?
The gradual wearing away of a coral reef by the action of living organisms and physical factors such as storms.
300
What is polyps?
The sessile life stage of coral animals
300
What is the purpose of limestone skeleton
Provides the framework of coral reefs.
300
What is fringing reefs separated from the shorelines by?
Narrow shallow lagoon.
300
What is the smallest of the types of reefs?
Patch reefs,
300
What is two fish mentioned in unit 5 that are considered predators of coral polyps?
Parrot fish Butterfly fish
400
What is the form in which corals reproduce? name the process too
Asexually through a process called budding.
400
What is the reason why zooxanthellae perform photosynthesis?
To generate organic material that can then be passed on to the coral.
400
What is which two types of reefs lie along the shoreline of a larger landmass
Barrier reefs and fringing reefs.
400
What is who determined how atolls were formed?
Darwin.
400
What is physical causes of reef erosion?
Storms, exposure to air and ocean acidification.
500
What is in a relationship between coral and zooxznthellae where does the zooxanthellae live?
In the corals tissue
500
What is the symbiotic relationship coral and zooxanthellae have?
Mutualistic.
500
What is geomorphology
The study of the characteristics, origin and development of land forms.
500
What is the size in diameter that atolls vary?
1-32 km
500
What is ocean acidification?
A reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon from the atmosphere.






Unit 5

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