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13 Cards in this Set
- Front
- Back
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What is ecology?
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the study of biotic and abiotic relationships in an ecosystem.
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4 basic needs of all organisms?
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Habitat, Exchange of gas, Food and Water
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Abiotic vs biotic?
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living and non-living
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Symbiosis: mutualism, parasitism, commensalism
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both benefit (hippo and bird)
one benefits the other is harmed (mosquito and human) one benefits and the other is neutral (bee and flower) |
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Natural resources
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Trees, water, oil, fruits and veg; coal
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Wants vs Needs
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desire (electronics, toys) and
necessary for survival (food, shelter, water) |
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Producers vs Consumers
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make own food (plants)
eat producers or other consumers (carnivores, herbivores, omnivores) |
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Niche
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The role of an organism in its environment
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Food chain vs. food web vs. food pyramid
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flow of energy
flow of matter amount of food eaten by each level |
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Scavengers vs. decomposers
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eat flesh of dead animals or
break down the animals |
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Carbon cycle
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flow of carbon b/w biotic and abiotic things
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Water cycle
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The flow of water through evaporation, condensation, precipitation
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Pollution
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contaminated environment is a polluted environment
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