What is an Ecosystem? – Flashcards
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ecosystem
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The living and non-living components of an environment and the interrelationships that exist between them.
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biome
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Global-scale ecosystems such as a rainforest or a hot desert.
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producer
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Organisms that obtain their energy from a primary source such as the sun e.g. grass.
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producer
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Organisms that obtain their energy from a primary source such as the sun e.g. grass.
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consumer
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Organisms that obtain their energy by eating other organisms e.g. a pond snail.
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decomposer
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Organisms such as bacteria that break down plant and animal material e.g. fungi.
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food chain
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A line of linkages between producers and consumers.
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food web
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A diagram that shows all the linkages between producers and consumers in an ecosystem.
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scavenger
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Organisms that consume dead animals or plants e.g. an earthworm.
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nutrient cycling
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The recycling of nutrients between living organisms and the environment.
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adaptation
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The ways that plants and animals evolve to cope with certain environmental conditions such as excessive rainfall.
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environment
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The physical or natural surroundings.
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living
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plants, animals, people, fish, birds, insects.
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non-living
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sun, water, air, sand, rocks, soil, climate.
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types of ecosystems
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coniferous forest, deciduous forest, desert, grassland, mediterranean, mountains, tropical rainforest, tundra.
