Corals are marine animals that have a symbiotic relationship with microscopic photosynthetic algae called zooxanthellae - Scottish Highers Biology - Question 13 - 2022
Question 13
Corals are marine animals that have a symbiotic relationship with microscopic photosynthetic algae called zooxanthellae. They both benefit from this relationship.
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Worked Solution & Example Answer:Corals are marine animals that have a symbiotic relationship with microscopic photosynthetic algae called zooxanthellae - Scottish Highers Biology - Question 13 - 2022
Step 1
Name this type of symbiotic relationship.
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Mutualism/mutualistic
Step 2
Suggest the benefit that each organism gains from the relationship. Coral
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Gains oxygen/glucose/sugar.
Step 3
Zooxanthellae
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Receive protection/habitat/shelter/nutrients or can use light reflected (from coral) for photosynthesis.
Step 4
Using evidence from the table, suggest the percentage of seabed that was covered by live coral in 2012.
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21%
Step 5
Justification
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As the temperature increases, the coral/percentage covered decreases. For every 0.1 increase in temperature, the coral/percentage covered decreases by 1%.
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