Something that is causing coral reefs to die. It causes the coral to get rid of the algae that they depend on for food. It causes them to become white in color.
100
What is the most common type of coral?
Hermatypic Coral or "hard coral"
100
What are coral relatives of?
Jellyfish
100
Do corals need high light penetration? If so, how much?
Yes but not too much and not to little
200
What part of the fish provide food for other animals and organisms?
The waste from the fish.
200
What is zooxanthellae?
The algae that coral has a symbiotic relationship with. This algae provides food for the coral and and coral provides shelter for the algae.
200
What is the purpose of hermatypic?
They withdraw calcium carbonate from the seawater to create a solid and strong exoskeleton that protects their body.
200
How much do coral reefs contribute to the total fish catch
one-quarter
200
What temperature of water do corals live in?
22 to 29 degrees Celsius with some as high as 40 degrees.
300
What animals can potentially kill the reef if there is too many of them?
Sea stars, sea cucumbers, and sea urchins
300
What causes coral bleaching?
Global warming- the increase in global temperatures is its main cause.
300
What is a bryozoans?
An organism that encrusts the reef and cements the reef structure.
300
Where can coral reefs be started?
On sunken ships
300
Some coral can survive in waters as high as....
40 degrees Celsius
400
What animal removes parasites and clean dead skin from fish? (name one) or (name all three for double points)
The crabs, lobsters, and specifically the shrimp.
400
How much do coral reefs provide people a year?
30 billion dollars
400
Sponges and anemone are quite similar in their purpose. What is the difference between sponges and anemone?
Sponges provide homes to animals while anemone provide refuge from predators.
400
How do you save coral reefs? list two examples
Reduce pollution-walk/bike to your destination
Use energy efficient light bulbs
Plant a tree
Don't litter
Spread the word
400
Where is the largest coral reef triangle?
In the Indonesian waters.
500
What do octopuses, squids, clams, scallops, marine snails, and nudibranchs all provide this for the coral reef and how?
They filter the water by eating and provide cleaner water.
500
What else kills coral reefs?
The increasing acidification of the ocean and water pollution do this
500
What is the purpose of these organisms? (list two) or (list four for double points)
Medicines
Houses for Animals
Biological Wealth
Tourism
500
How many reefs in the Great Barrier Reef made up of?
900 smaller reefs
500
Why do corals form between the tropics of cancer and capricorn?
The tropics have warm currents which helps corals thrive.