Trophic Levels in an Ecosystem (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Trophic levels
Trophic levels
Stages in a food chain where energy is transferred
Organisms at 1st trophic level
Organisms at 1st trophic level
Producers
Examples of producers
Examples of producers
Plants and algae
How producers make food
How producers make food
Photosynthesis
Organisms at 2nd trophic level
Organisms at 2nd trophic level
Primary consumers
Type of organism: primary consumers
Type of organism: primary consumers
Herbivores
Organisms at 3rd trophic level
Organisms at 3rd trophic level
Secondary consumers
Type of organism: secondary consumers
Type of organism: secondary consumers
Carnivores
Organisms at 4th trophic level
Organisms at 4th trophic level
Tertiary consumers
Apex predators
Apex predators
Top of food chain with no natural predators
Examples of decomposers
Examples of decomposers
Bacteria and fungi
Role of decomposers
Role of decomposers
Break down dead matter, recycle nutrients
What decomposers secrete
What decomposers secrete
Enzymes
How decomposers absorb molecules
How decomposers absorb molecules
Diffusion