Ecology Part 2 F14
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| herbivore | Organisms that eat only producers (green plants)
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| heterotroph | An organism that cannot synthesize its own food and is dependent on complex organic substances for nutrition.
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| ingestion | A heterotrophic mode of nutrition in which other organisms or detritus are eaten whole or in pieces.
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| limiting factors | restrict the growth of a population
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| metamorphosis | process of change through which an immature organism passes as it grows to adulthood
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| nutrition | the process by which organisms take in and utilize food material.
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| regulation | to keep in control
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| J curve | curves –shows population growth with exponential curve; has no limits
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| mutualism | A feeding relationship in which both organism benefit.
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| nitrogen cycle | process by which nitrogen is exchanged between organisms and the environment.
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| parasitism | A feeding relationship where only one organism benefits and the other is harmed
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| predator | Preys on other organisms
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| prey | The animal being hunted for food
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| producers | An organism at the bottom of the food web that can manufacture its own food from energy and carbon atoms in its environment.
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| S curves | when the rate of the population slows down as it reaches the carrying capacity (when the environment can’t longer handle the number of species)
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| sampling | to estimate the size of a population is to collect data by taking random samples.
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| symbiosis | A close relationship where at lease one member benefits.
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Created by:
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