Ecosystem
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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ecosystem | all the living and nonliving things in an area that interact with each other
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autotroph | any organism that can create its own food from inorganic materials
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heterotroph | an organism that cannot create its own energy and must instead rely on consuming nutrients from other organisms
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producers | an organism that makes its own food; an organism that does not consume other plants or animals
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primary consumers | (in the food chain) an animal that feeds on plants
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secondary consumers | (in the food chain) a carnivore that feeds only upon herbivores.
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decomposers | organisms which carry out the process of decomposition by breaking down dead or decaying organisms
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herbivores | an animal that consumes only plants
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carnivores | an animal that eats only other animals
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omnivores | an animal that eats plants as well as other animals
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population | the group of organisms of the same species living in the same area
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community | a group of different populations that live together and interact in an environment
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density | an object's mass divided by its volume; a measure of how many particles are packed together into a certain amount of space
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limiting factor | an environmental factor that tends to limit population size.
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food chain | a model that shows one set of feeding relationships among living things
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food web | a model that shows many different feeding relationships among living things
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predator | an animal that hunts and eats another animal
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prey | an animal that is hunted and eaten by another animal
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organism | any individual living thing
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succession | a number of persons or things following one another in order or sequence.
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energy pyramid | a model that shows the available amount of energy in each trophic layer in an ecosystem
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competition | the rivalry offered by a competitor
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mutualism | a relationship between two species of a plant, animal, or fungus in which one lives off the other and both organisms benefit
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symbiosis | the living together of two dissimilar organisms, as in mutualism, commensalism, or parasitism.
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coexistence | to exist together or at the same time.
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cooperation | an act or instance of working or acting together for a common purpose or benefit; joint action.
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primary succession | The ecological succession of plant and animal communities in a disturbed area where no topsoil exists, as on a new lava flow.
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secondary succession | The ecological succession of plant and animal communities in a disturbed area where topsoil has been retained, as in an area that has been recently burned by fire.
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Terrestrial | relating to the earth or those who live there.
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taiga | a large naturally occurring area of land with largely evergreen forest vegetation found in northern sections of the Northern Hemisphere
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tundra | extremely cold climate located near the North and South Poles and on the tops of mountains; receives very little precipitation and has no trees
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deciduous forest | a forest containing trees that lose their leaves each year
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grasslands | an area of land covered mostly with grass with few bushes or trees
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tropical rain forests | A forest with high rate of precipitation and high humidity, usually located near the equator.
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deserts | an area that gets little precipitation and has very little vegetation
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aquatic | relating to water
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Created by:
rany22m
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