Learning objective

Create and analyze basic food chains.

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Cambridge IGCSE BiologyOrganisms and their environmentCore content

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Create and analyze basic food chains

This point belongs to Food chains and food webs, especially Food chains and food webs outcomes.
You need to be able to create and analyze basic food chains.
The key ideas to know are Construct and Interpret.
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ConstructInterpret

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)2 marks

Diagram Description

Food Chain Diagram

The diagram shows a food chain starting with grass, eaten by a grasshopper, which is eaten by a frog, which is then eaten by a snake.

a
State the producer in this food chain.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify the primary consumer in this food chain.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Related learning objectives

Explain that a food chain illustrates how energy is transferred from one organism to another, starting with a producer.
Food chains and food webs outcomes
Define a food web as a system of interconnected food chains and analyze food webs.
Food chains and food webs outcomes
Define a producer as an organism that generates its own organic nutrients, typically using sunlight through photosynthesis.
Food chains and food webs outcomes
Define a consumer as an organism that obtains energy by consuming other organisms.
Food chains and food webs outcomes
Recognize that consumers can be categorized as primary, secondary, tertiary, or quaternary based on their role in a food chain.
Food chains and food webs outcomes

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