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BIOLOGY

JAMB 2008 - Question 30

Biology 2008 JAMB Past Questions - Question 30: Which of the following associations is an example of mutualism?

Choose the most appropriate option for the gap .

Which of the following associations is an example of mutualism?

A: Hydra viridis and zoochlorellae

B: Human and lice

C: Shark and Remora fish

D: Bread and Rhizopus stolonifer

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Correct Answer

Explanation

A Zoochlorellae are certain green algae found living inside the endodermof a species of hydra called chlorohydra viridissima. Hydra provides Carbon IV Oxide which zoochlorellae use of synthesize carbohydrate during photosynthesis.The carbohydrate is shared between Chlorellae (algae) and the hydra.Options B, C and D are parasitism, commensalism and saprohytism respectively