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The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do a, b and c represent respectively?

1. (a) conformer, regulator, partial regulator
2. (b) regulator, partial regulator, conformer
3. (c) partial regulator, regulator, conformer
4. (d) regulator, conformer, partial regulator

Correct answer: (d) regulator, conformer, partial regulator

Solution

Regulators maintain a relatively constant internal state despite external changes, so they correspond to the flat/steady response. Conformers let their internal state vary with the environment, while partial regulators show regulation only within a limited range and conform outside it.

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