A community of plants (flora) and animals (fauna), that interact with each other and their physical environment (non-living components e.g. temperature). Ecosystems exist on a range of scales; Small scale, i.e pond, to large scale i.e woodland.
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Producer
An organism or plant that can absorb energy from sunlight through photosynthesis. It also needs water, carbon dioxide and nutrients (from soil/rocks) to produce what it needs for its self. E.g. algae
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Consumer
A creature that eats herbivores and/or plant matter. They obtain their energy from what they eat. E.g. humans
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Decomposer
An organism that breaks down dead tissue which effectively recycles their nutrients back into the environment. E.g. bacteria and fungi
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Food chain
The connections between different organisms (animals and plants), that rely upon one another as their food source.
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Food web
A complex hierarchy of fauna and flora, relying on each other for food.
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Nutrient cycle
A set of processes whereby organisms extract nutrients (e.g. nitrogen) necessary for growth, from soil or water, before passing them on through the food chain.
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Abiotic
Non-living features. E.g. rocks, sunlight, water and air.
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Biotic
Animals and plants. E.g. algae, plankton, dog, elephant.
Competition, interaction with other plants and animals.
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Human factors
How humans influence ecosystems
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Psammosere
Another name for a sand dune ecosystem.
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Succession
The change in species in an ecosystem overtime.
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Zonation
The change in species over space.
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Xerophyte
A plant adapted to living in a dry arid habitat like a sand dune.
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Other cards in this set
Card 2
Front
An organism or plant that can absorb energy from sunlight through photosynthesis. It also needs water, carbon dioxide and nutrients (from soil/rocks) to produce what it needs for its self. E.g. algae
Back
Producer
Card 3
Front
A creature that eats herbivores and/or plant matter. They obtain their energy from what they eat. E.g. humans
Back
Card 4
Front
An organism that breaks down dead tissue which effectively recycles their nutrients back into the environment. E.g. bacteria and fungi
Back
Card 5
Front
The connections between different organisms (animals and plants), that rely upon one another as their food source.
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