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(a) List the responses of living organis...

(a) List the responses of living organisms to abiotic factors. (b) What is commensalism? Give an example. (C) Name the type of interaction between algae and fungi in lichens.

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(a) (i) Regulation, (ii) Conformation, (iii) Migration, (iv) Suspension.
(b) Refer Commensalism, Page No. 273.
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