LE topic 6 Ecology
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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| abiotic | any nonliving component of an environment: NEVER ALIVE
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| autotroph | an organism that makes its own food
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| biodiversity | the number of different species in a given area
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| biosphere | The entire portion of Earth inhabited by life; the sum of all the planet's ecosystems.
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| biotic | the living organisms in an ecosystem
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| carnivore | a consumer that eats only animals
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| carrying capacity | The largest population that an area can support
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| community | combination of all of the different populations that live and interact in the same environment
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| competition | the struggle between organisms to survive in a habitat with limited resources
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| consumer | organism that obtains food by eating other organisms
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| decomposer | organisms, such as fungi and bacteria, that break down and absorb nutrients from dead organisms
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| ecological niche | A specific role of a species within an ecosystem, including its use of resources, and relationships with other species
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| ecological succession | series of changes by which one habitat is replaced by another
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| ecology | study of how organisms interact with the living and noliving things that surround them
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| ecosytem | all the living and non
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| energy pyramid | diagram that shows the how food energy moves through the ecosystem
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| environment | All living and nonliving components of an organism's surroundings.
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| finite | limited, able to be used up
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| food chain | identifies specific feeding relationships among organisms
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| food web | representation of many interconnected food chains that shows the feeding relationships among producers, consumers and decomposers
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| habitat | where an animal or plant lives
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| herbivore | organism that eats only plants
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| heterotroph | organism that can't make its own food, a consumer
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| host | organism in a parasitic relationship that provides the home and/or food for a parasite
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| limiting factors | environmental factors that restrict population growth
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| parasite | an organism that lives and feeds on other organisms.
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| population | all the individuals of the same species that live ina specific area
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| predator | an animal that hunts and kills other animals for food
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| prey | an animal that is hunted and killed by predators
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| producer | an organism that makes its own food
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| scavenger | A carnivore that feeds on the bodies of dead organisms
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Created by:
jhshwood
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