1.3.2

Food Chains & Webs

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Food Chains & Webs

Food chains show the feeding relationships and transfers of energy within a community. Below are some important definitions of the types of organisms found in food chains:

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Producer

  • An organism that makes its own organic nutrients, usually using energy from sunlight.
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Consumer

  • An organism that gets its energy by feeding on other organisms.
  • Depending on the position of the consumer in the food chain, it may be classed as primary, secondary or tertiary.
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Herbivore

  • Animals that get their energy from eating plants.
  • Primary consumers.
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Carnivore

  • Animals that get their energy from eating other animals.
  • Secondary and tertiary consumers.
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What is a food web?

  • Food webs show networks of interconnected food chains.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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