Food chains
I can identify producers and consumers and explain what is shown by a food chain diagram.
Food chains
I can identify producers and consumers and explain what is shown by a food chain diagram.
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Lesson details
Key learning points
- Producers are organisms that can make their own food, including plants and some microorganisms.
- Consumers (e.g. humans and other animals) cannot make their own food; they get their food by eating other organisms.
- A food chain diagram shows the feeding relationships between populations of organisms.
- The arrows in a food chain diagram represent transfers of biomass.
- A change in the size of a population will affect other populations in the food chain.
Keywords
Producer - A producer is an organism that makes its own food.
Consumer - A consumer is an organism that eats other organisms for food.
Food chain - A food chain diagram shows how food is transferred from one population of organisms to another.
Population - A group of organisms of the same type in the same place is called a population.
Model - Scientists use models as simpler representations of complex things and ideas.
Common misconception
Arrows mean "eats" in a food chain diagram. Each level is an individual organism.
This lesson explores the meaning of the arrows, and the idea that each level of a food chain diagram is a population of organisms.
To help you plan your year 7 science lesson on: Food chains, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 7 science lesson on: Food chains, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 3 science lessons from the Ecosystems unit, dive into the full secondary science curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
producer
consumer
consumer
Exit quiz
6 Questions
producer
primary consumer
secondary consumer
a diagram that shows what an organism eats.
an organism that eats other organisms to get food.
an organism that makes its own food.
a group of organisms of the same type in the same area
