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Energy and Biomass
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in order to sun-rive and reproduce
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Food Chains and Food Webs
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In a habitat food chains can be joined together to form a food
web, which shows the feeding relationships between the organisms
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For example:
Trophic level 1 —
organisms at this level are all plants and are called producers
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are

Trophic level 3 — secondary consumers called carnivores that feed on the primary consumers
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Animals at this level are top predators
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This is called a dynamic relationship
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Example of a Food Chain

grass

(eaten by)

rabbit

(eaten by)

fox

The arrows show the direction in which the food energy is transferred
from one organism to the next
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Key

spread to other people, they could cause an
infection that cannot be treated with that
antibiotic
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