science Flashcards

1
Q

ecology

A

the study of how organisms interact with their ecosystem

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2
Q

ecosystem

A

a system consisting of all the interactions that occur between the abiotic and biotic factors within an environment

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3
Q

ecological succession

A

transition of species present in a community in an area virtually barren of life, or after a disturbance

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4
Q

primary succession

A

series of changes that occur in an area where NO ecosystem previously existed

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5
Q

secondary succession

A

series of changes that occur after a disturbance in an existing ecosystem

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6
Q

pioneer species

A

species that do not need soil to survive; they start the soil building process (lichens and moss)

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7
Q

climax community

A

a relatively stable state of succession, or the end product of succession

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8
Q

limited factor

A

a factor that limits the ability of a habitat to sustain a population

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9
Q

microhabitat

A

a very small specialized habitat, such as the space under a rock

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