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GCSE Geography · key term
A network of interconnected food chains showing feeding relationships and energy transfer within an ecosystem.
Used by AQA and Edexcel
Specification 3.1.2.1 · Paper 1
A network of linked food chains showing the different feeding relationships within an ecosystem.
Revise: Ecosystem Roles and Nutrient CyclingAn animal that eats organisms from different trophic levels can occupy more than one position in a food web.
Specification 3.7 · Paper 1
In a nutrient-cycle diagram, distinguish nutrient stores from transfers. In a food web, arrows point from the food towards its consumer.
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A food web joins several food chains together. This makes it more useful for understanding an ecosystem because an animal may have several food sources, and one organism may be eaten by several others. The simplified network below shows selected feeding links, not a complete food web or observations from a particular woodland.
Paper 3
A network of interconnected food chains showing feeding relationships between organisms.
Revise: Rainforest characteristicsA food web combines many overlapping chains. Plants are producers because they make their own food using sunlight. Herbivores are primary consumers; animals that eat these herbivores are secondary consumers.
A network of feeding relationships, with arrows showing the transfer of energy from food to consumer.