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24 Cards in this Set
- Front
- Back
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Food Chains
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the sequence of who eats who in an ecosystem
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producers
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photosynthetic organisms, autotrophs
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consumers
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heterotrophs, organisms that consume their food ready made
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herbivore
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consumers that graze directly on producers
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carnivores
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consumers that eat other consumers
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predators
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carnivores that catch live prey
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prey
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animals consumed or caught by other animals
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parasites
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consumers that live and feed on the suface of or inside other organisms causing them harm
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scavengers
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consumers that eat dead animals
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detritivores
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consumers that eat small particles of dead plant material and animal organic matter that accumulates as detrius
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detrius
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small particles of dead leaves, roots, animals etc in the soil or on the bottom of lakes, ponds etc.
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decomposers
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consumers that breakdown dead material
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food web
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many food chains linked together within an ecosystem
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trophic level
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each feeding level in a food web
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inter-specific competition
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is a struggle between different organisms of different spiecies for the same supply of food, shelter, water, nest sites or environmental resources that are in limited supply
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mutualism
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a partnership between two different types of organisms where they both benefit
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lichen
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an alga and a fungi working together as one organism
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mycorrihiza
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symbiotic relationship between a soil fungus and a plant
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symbiosis
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different species living together in a close partnership
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commensalism
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the relationship between species where only one member benefits but the other doesn't benefit or get harmed
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parasitism
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one organism benefits in the relationship and the other is harmed
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epiphytes
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smaller plants that live on the trunk or crown of a tree
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pollination
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transfer of pollen from one plant to another
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pollinators
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animals involved in pollination
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