Energy & Ecosystems (AQA A-Level Biology): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Primary energy source for nearly all life on Earth
Primary energy source for nearly all life on Earth
Sunlight
Organisms making organic substances using light energy
Organisms making organic substances using light energy
Producers
Consumers feeding directly on producers
Consumers feeding directly on producers
Primary consumers (herbivores)
Consumers that eat primary consumers
Consumers that eat primary consumers
Secondary consumers
Organisms breaking down dead organic material
Organisms breaking down dead organic material
Saprohionts (decomposers)
Each stage in a food chain
Each stage in a food chain
Trophic level
Interconnected food chains in a habitat
Interconnected food chains in a habitat
Food web
Biomass unit when sampling an area
Biomass unit when sampling an area
(grams per square metre)
Why dry mass used instead of fresh mass for biomass
Why dry mass used instead of fresh mass for biomass
Varying water content makes fresh mass unreliable
Energy content units from calorimetry
Energy content units from calorimetry
(kilojoules per kilogram)