Interdependence of organisms

Interdependence of organisms

Learning objective

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newEditorScienceLower Secondary (Key Stage 3)

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Interdependence of organisms

Learning objective

Link the terms to their definitions

A consumer that eats other animals

An animal that hunts, kills, and eats other animals.

Several connected food chains in an ecosystem

An organism that makes its own food

An organism that eats other organisms for energy.

An animal that eats plants

An animal that is hunted and eaten.

A diagram showing how energy moves between organisms.

A community of living organisms and their non-living environment interacting together.

Prey

Predator

Food web

Ecosystem

Food chain

Producer

Consumer

Carnivore

Herbivore

Learning objective

Success Criteria

  • I can identify trophic levels.

  • I can explain interdependence using key vocabulary.

  • I can predict ecosystem changes with reasoning.


  1. Describe how organisms are linked in food webs.

  2. Explain what animals and plants compete over.

  3. Analyse how removing one species affects an ecosystem.

By the end of the lesson students will be able to:

Drag and Drop











Tertiary consumer

Secondary consumer

Primary consumer

Producer

Herbivore

Carnivore

Apex predator

From this food web, write down at least one food chain

What would happen to the number of foxes if the number of rabbits decrease? Explain why.

What would happen to the number of mice if the number of rabbits decrease? Explain why.

What would happen to the number of owls if the number of foxes increase? Explain why.

From your answers in the previous questions, how does the survival of animals rely on other animals?

Without using the word 'depends', write a definition of dependence

Now write a definition for interdependence

Slide heading

Slide text

What four things do animals compete over?

What things do plants compete over?

Past paper questions

Complete the past paper questions individually

1

minute

00

second

Question 1 - Mark scheme

Question 2 - Mark scheme

9TDS Group task - Interdependence scenarios

You are going to be put into groups. Each group will be given a scenario. You are to work together to complete the tasks on an A3 page.

We will either present our findings to the class at the end of the lesson or at the start of the next.


Below are the groups

Group 1 - Aston, Bella, Ruby Group 2 - Madison, Harley, Sienna

Group 3 - Gethin, Remy, Neveah Group 4 - Logan DP, Riley, Alisha

Group 5 - William, Poppy, Mila Group 6 - Logan D, Louie, Lily

Group 7 - Blake, Kian, Lexi Group 8 - Evan, Jaymie, Frankie

9ASD paired task - Interdependence scenarios

You are going to be put into pairs. Each pair will be given a scenario. You are to work together to complete the tasks on an A3 page.

We will either present our findings to the class at the end of the lesson or at the start of the next.