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Symbiotic Interactions Questions

Question 1

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One common method is to use a tracer molecule. By feeding the insect radioactive carbon in sugar, traces of radioactivity will be found in the fungus only if it remains attached to the insect. Structural evidence is also used. If the fungus has haustoria inserted into insects, then it is commonly assumed that the insect is supplying energy.

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Question 2

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Answer 2

Fungi commonly provide chemical or physical defences for other organisms. They can also supply degradative enzymes enabling digestion of complex molecules.

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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