Reading Food Web Diagrams

ScienceEcosystems & HabitatsAges 8–9

Read and interpret food web diagrams — identify producers, primary and secondary consumers, and decomposers; trace energy flow along food chains within the web; predict the effect of removing or adding a species

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Teaching Table

Set out your lesson

Read food-to-consumer arrows, trace shared chains and make conditional population predictions.

Activity

Can attend to a short explanation and respond orally, by pointing, drawing or writing; check relevant prerequisite understanding rather than assuming age proves readiness.

Policy

Check readiness rather than assuming age or source graph order establishes attainment.

Materials

Prepared passage, diagram materials are available in each step.

Preparation

Open the teaching material first. Keep the adult key and check sheet separate until their named stage. No printing, purchase or external media is required for the supplied adapted text tasks.

Safety

Use the supplied text/schematic indoors. Do not collect, taste, touch or disturb wildlife or unknown materials. Discussion does not require a personal experience.

Optional Observation

Only record a real observation after the activity is actually carried out safely; otherwise mark not carried out.

Materials are ready in each step. Use them on screen or print just the current step. Put teaching examples aside before the learner tries.

What this lesson covers and its limits

These are bounded opportunities, not learner attainment. Partial and blocked source requirements remain so.

partial: Read and interpret food web diagrams — identify producers, primary and secondary consumers, and decomposers; trace energy flow along food chains within the web; predict the effect of removing or adding a species
Bounded task opportunity only; this task samples the clause using fresh evidence, not full coverage or learner attainment.
partial: Identify the producer, herbivore, and carnivore in a food web from a diagram
Bounded task opportunity only; this task samples the clause using fresh evidence, not full coverage or learner attainment.
partial: Trace two food chains through the same food web and identify shared species
Bounded task opportunity only; this task samples the clause using fresh evidence, not full coverage or learner attainment.
partial: Predict what would happen to fox numbers if rabbits were removed from a food web diagram
Bounded task opportunity only; this task samples the clause using fresh evidence, not full coverage or learner attainment.
partial: If {{name}} is shown a diagram with arrows connecting plants, insects, frogs, and hawks, can they trace which animals eat which and explain what would happen if the frogs disappeared?
Bounded task opportunity only; this task samples the clause using fresh evidence, not full coverage or learner attainment.

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Read food-to-consumer arrows, trace shared chains and make conditional population predictions.

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Check understanding

Identify the producer, herbivore, and carnivore in a food web from a diagram
Trace two food chains through the same food web and identify shared species
Predict what would happen to fox numbers if rabbits were removed from a food web diagram

“If your child is shown a diagram with arrows connecting plants, insects, frogs, and hawks, can they trace which animals eat which and explain what would happen if the frogs disappeared?”

Curriculum record

Type: Representational
Subject: Science
Domain: Ecosystems & Habitats
Age range: Ages 8–9