CAIE IGCSE Biology 19.1.2 Flow of Energy Through Living Questions

Practise describing energy flow through living organisms, including light energy from the Sun, chemical energy in organisms and its transfer to the environment.

Exam points

describe energy flow through living organisms, including light energy from the Sun, chemical energy in organisms and eventual transfer to the environment

[Maximum number: 1]

The diagram shows energy flow from the Sun, through a food chain and into the environment.

Figure for Question CAIE IGCSE Biology 19.1.2 Flow of Energy Through Living Questions question 1 — CAIE IGCSE Biology

What is the form of energy for each numbered arrow?

stage 1

stage 2

heat

chemical

heat

kinetic

light

chemical

light

kinetic

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CAIE IGCSE Biology 19.1.2 Flow of Energy Through Living Questions question 1