producers, consumers and decomposers are all what?
organisms
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what is a producer?
an organism that uses sunlight energy to produce food
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what is a consumer?
an organism that gets its energy by eating other organisms (producers or other consumers)
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what is the difference between a food chain and a food web?
a food chain shows what eats what. a food web shows lots of food chains and how they overlap
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what is a decomposer?
an organism that gets its energy by breaking down dead material (dead producers, dead consumers or fallen leaves)
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example of a decomposer?
bacteria and fungi are decomposers
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what are the 6 ecosystems?
coral reefs, grassland, tropical rainforest, hot desert, polar, temperate forest
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what are the steps of the water cycle?
1. water evaporates from water bodies and the land - evaporation is when water is heated by the sun and turns into water vapour
2. water vapour is moved by winds
3. water vapour condenses to form clouds and then falls as rain
4. water flows from one place
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where is the case study of sustainable management of a rainforest?
Costa Rica
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where is the case study of a small scale sustainable management of a polar region?
Union Glacier
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where is the case study of a global scale sustainable management of a polar region?
Antarctic treaty
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what is the global distribution of coral reefs?
between 30 degrees north and south of the equator, a few miles of the coast
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what is the global distribution of grasslands?
tropical savannah grasslands are found between the tropics
temperate grasslands are found at mid-latitudes
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what is the global distribution of tropical rainforests?
found in the equator, between the tropics
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what is the global distribution of hot deserts?
found between 15 degrees and 35 degrees north and south of the equator
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what is the global distribution of polar regions?
found around the north and south poles
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Other cards in this set
Card 2
Front
what does abiotic mean?
Back
non-living
Card 3
Front
producers, consumers and decomposers are all what?
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