1. Coral Reefs
Francesca Rebecchi, Leeam Robinson, Shannon Lamont

2. Where is ecosystem located?
Coral reefs are found near equator
North of equator is tropic of cancer
One coral reef is located in Hawaii

3. Describe the abiotic factors of your ecosystem
Temperature is between 64 degrees F, 88 degrees F.
soil is sandy
coral reefs grow in tropical areas

4. Producer: Algae. How does your producer rely on other organisms in the coral reef to survive?
Polyps depend on algae to keep them from stress
Algae needs coral for a home for nutrients
coral gives carbon dioxide

5. How do other organisms of your ecosystem rely on your producer to survive?
Fish eat algae to gain energy
Seahorses need algae for camouflage
Moray eels make homes in algae

6. How do humans affect your ecosystem?
Humans dump waste in water
Humans poison water with cyanide
Humans drop dynamite in water
People take shells from reefs
Dump sewage - algae grows fast witch can kill reefs
Over fishing equals many crown of thorn starfish – over Populate and kill coral reefs
Fishermen shoot poison to get fish and then sell them for seafood

7. Choose one biotic or abiotic factor in your ecosystem & describe how a change in one of these could your ecosystem.
Change: algae decreases
If algae were decreased coral polyps would die
If algae were Decreased FISH WOULD GET SICK
If algae were decreased coral polyps would not be able to make their hard exoskeletons

8. other interesting facts:
Coral polyps cannot make reefs in fresh water
The great barrier reef is so big it can be seen from the moon
Pearls can be found in the giant clam that forms on the coral reef.

9. Created using MLA Citation Maker on www.oslis.org
Sources Used
Gibbons, Gail. Coral Reefs. New York: Print.
Levy, Janey. Discovering Coral Reefs. New York: Print.
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