Unit 19 · Organisms and their Environment

Question Bank

Cambridge IGCSE Biology 0610 · 85 questions

Q25Organisms and their Environment

What do arrows in a food chain represent?

(a)The direction of energy transfer

(b)Which organism is larger

(c)The flow of carbon dioxide

(d)The direction of movement

Correct answer: (a) The direction of energy transfer

Explanation: Arrows point from the organism eaten to the eater, showing energy transfer.

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