What is a food chain
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What is a food chain? PowerPoint PPT Presentation


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What is a food chain?. A food chain can be shown by how each living organism gets their food and also how it is made. . All food chains will start with a green plant. (Producers) The green plant is then eaten by the animal. (Consumers) Then the food chains ends with a preditor.

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What is a food chain?

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What is a food chain

What is a food chain?

  • A food chain can be shown by how each living organism gets their food and also how it is made.


What is a food chain

  • All food chains will start with a green plant. (Producers)

  • The green plant is then eaten by the animal.(Consumers)

  • Then the food chains ends with a preditor.

  • But the sun is the most important.


For example

For example:

  • Grass is eaten by a Grasshopper 

  • Grasshopper is eaten by Toads 

  • Toads are eaten by Snakes 

  • Snakes are eaten by Hawks 


What is a food web

What is a food web

  • A food web consist of several food chains.

  • The food chains are connected together.

  • A food web shows how many different plants and animals are connected.


Tropic level

Tropic level

  • Tropic level is the feeding position which is in a food chain.

  • This can be:- Primary producers( organism from a plant)

    - Herbivore( Animals eating plants)

    - Primary Carnivore( Animals eating animals)


Tropic level definitions

Tropic level definitions

  • Herbivore 

  • Carnivore 

  • Apex predator 

- Animals which eats plants.

  • Animals eat other animals.

  • Have no predatores.


Trophic level

Trophic level

  • Level 1: - Primary producers( organism from a plant)

  • Level 2:

    - Herbivore  Primary Consumers(Herbivores eat plants)

  • Level 3: - Secondary Consumers( Carnivore eat Herbivore)

  • Level 4:- Tertiary Consumers(Carnivores which eat other carnivores)Level 5:- Apex predatores


What is a food chain

  • There are difficulties in classifying animals which belong to the Trophical levels.

  • Omnivores are animals which feed at different places which is in the food web.

  • For example:- Grizzly bears eat basically anything. From berries, to fish, to dead animals.

  • People have difficulties in classifying where the bear belongs in the Trophical level.


Create a food chain and food web

Create a food chain and food web

  • http://www.vtaide.com/png/foodweb.htm


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