Food chain - A diagram that shows feeding relationships between a small number of organisms in an ecosystem. A flow of energy., Food web - A diagram that shows feeding relationships between a larger number of organisms in the whole ecosystem. Can be thought of as a collection of food chains. A flow of energy. Structured by trophic levels., Primary consumer - Organisms that eat producers., Decomposer - Organisms that break down matter., Photosynthesis - The process by which plants convert light into energy., Ecosystem - A system of organisms and the physical environment in which they interact., Abiotic - The non-living components of an ecosystem., Biotic - The living components of an ecosystem., Adaptation - A characteristic a species has that makes them better suited to their environment., Producer - Begin all food chains, and are usually plants. For example, plants produce their own energy by converting light into glucose., Herbivore - An organism that feeds on plants., Carnivore - An organism that feeds on animals., Omnivore - An organism that feeds on both plants and animals., Apex predator - Top predator, an organism that isn't eating by anything else., Secondary consumer - Organisms that eat the primary consumer., Trophic levels - The position an organism occupies in a food chain or web.,

Y7 Biology Part 2

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