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30 Cards in this Set
- Front
- Back
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study of interactions between organisms and the living and nonliving components of their enviorment .
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Ecology
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Key theme found throughout Ecology . (interact with organsims in their surroundings and w/ non living portions of their enviorment .
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Interdependence
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describe components of ecological system .
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Ecological Model
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broadest most inclusive level of organization , only involves thin layer of Eart and its atmosphere that supports life .
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Biosphere
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Includes all of the organisms and the non living enviornment found in a particular place.
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ecosystem
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All interacting organisms living in an area .
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Community
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All members of a species that live in one place at one time .
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Population
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The place where an organism lives ?
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Habitat
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Living components of the enviornment ?
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Biotic factors
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Non Living factors
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Abiotic Factors
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A graph performance versus values of an enviornmental variable , such as temp . is what ?
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Tolerance Curve
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Organisms adjust their tolerance to abiotic factors through what process ?
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Acclimation
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Organisms that do not regulate their internal conditions ; they change as their external enviornment changes .
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Conformers
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Organisms that use energy to control some of their internal conditions .
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Regulators
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A longer term strategy is to enter a state of reduced activity .
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Dormancy
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Another strategy is to move to a more favorable habitat .
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Migration
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specific role , or way of life , of a species within its enviornment is what ?
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Niche
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species with broad niches ; they can tolerate a range of conditions and use a variety of resources .
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Generalists
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species that have narrow niches ?
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Specialists
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they capture energy to make organic molecules ?
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Producers
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use energy stored in inorganic molecules to produce carbohydrates ?
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Chemosynthesis
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The rate at which producers in an ecosystem capture the energy of sunlight by producing organic compounds ?
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Gross Primary Productivity
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Organic material that has been produced in an ecosystem as what ?
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Biomass
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Measure the rate at which biomass accumalates ; ?
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Net Primary Productivity
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Get energy by eating other organisms and obtain energy by consuming organic molecules . Can be grouped by the certian food they eat . Also ( Heterotrophs r what ? )
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Consumers
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Eat producers . Also they eat plants .
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Herbivore
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Organisms that eat animals ? Eat other consumers .
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Carnivores
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Eat both proucers and consumers . Both plants and animals ?
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Omnivore
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consumers that feed on the garbage of an ecosystem ?
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Detritivores
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Break down complex molecules into simpler molecules ?
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Decomposers
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