What is photosynthesis?
What is give it oxygen?
What is to help remove waste?
100
Entire colonies can weigh this much.
What is several tons?
100
This reef makes a border along the shore line.
What is a fringing reef?
100
This is why most coral must grow above 70 meters.
What is it requires a lot of light?
200
Coral reefs are made up of these tiny animals.
What are polyps?
200
Zooxanthellae requires these to do its job.
What is a lot of sunlight and clear water?
200
Polyps do this when they're stressed.
What is go into its cup?
200
When a reef is further away from the shore line with deep water in between
What is a barrier reef?
200
Between these two latitudes is where most coral is found.
What is 30 degrees north and 30 degrees south?
300
Polyps use these to sting their prey.
What are nematocysts?
300
This is the color coral turns when it gets rid of the zooxanthellae.
What is white?
300
This is what's made when a coral keeps growing and growing.
What is a coral reef?
300
These two reefs are the oldest ones.
What are barrier reefs and atoll reefs?
300
The water coral grows in has to be very clear and....
What is very salty?
400
This is when most corals feed.
What is night time?
400
This is the result when a coral goes too long without zooxanthellae.
What is death?
400
Describe two different shapes of corals.
What is clumps of cigars?
What is ball/boulder shape?
What is small as an egg?
What is big as a house?
What is the top of a mushroom?
What is large and flat branches?
What is table-like structures?
400
Describe how an atoll reef is formed.
What is a fringing reef forms around a volcanic island and that island sinks below sea level while the fringing reefs continues to grow?
400
These zones are where coral commonly grow.
What are the reef flat and reef crest zones?
500
Name one thing a polyp's tentacles are used for.
What is defense?
What is to catch food?
What is to clear away debris?
500
Name one product zooxanthellae supplies for the coral.
What is glycerol?
What is glucose?
What are amino acids?
500
Tell the process of how a stony coral grows.
What is the polyp lifts itself out of its cup, and a new cup is form around the risen polyp.
500
This is how a coral reef forms.
What is loose coral larvae connects to hard surfaces around the edges of continents or islands?
500
Most corals grow in water between these two temperatures.