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differentiate between tropism &trophism?

differentiate between tropism &trophism?

Grade:10

1 Answers

Ankita Dua
8 Points
9 years ago
Tropism is a phenomenon where a stimulus elicits a response which is usually dependant on the direction of the stimulus involved. Hence directional responses are involved here, example: downward growth of plant roots on response to gravity. Trophism on the other hand deals with feeding strategies and habits; example: autotrophy in green plants capable of manufacturing their own food or heterotrophy that includes organisms dependant on others. Trophic levels determine the position occupied by an organism in a food chain.

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