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33 Cards in this Set
- Front
- Back
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biotic factor
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All the living organisms that inhabit an environment are called biotic factors
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abiotic
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non living things
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nothing
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nothing
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ecosystem
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An ecological community together with its environment, functioning as a unit.
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ecology
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The science of the relationships between organisms and their environments
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decomposer
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Ecology any organism in a community, such as a bacterium or fungus, that breaks down dead tissue enabling the constituents to be recycled to the environment
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consumer
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A heterotrophic organism that ingests other organisms or organic matter in a food chain.
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producer
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produces food
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heterotroph
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consumer
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autotrophs
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producer
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biomass
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is the mass of living biological organisms in a given area or ecosystem at a given time.
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carrying capacity
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the population size of the species that the environment can sustain indefinitely, given the food, habitat, water and other necessities available in the environment.
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competition
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interaction between organisms or species, in which the fitness of one is lowered by the presence of another
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Omnivores
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are species that eat both plants and animals
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Herbivores
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organisms that eat plants
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predator
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they eat prey
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prey
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get eaten by predator
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primary producers
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plants
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mutalism
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both benefit
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parasitism
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one benefits the other is harmed
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commensilism
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one benifits the other is not harmed or helped
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chloroplast
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organelles found in plant cells and other eukaryotic organisms that conduct photosynthesis.
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eukaryotic
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is an organism whose cells contain complex structures enclosed within membranes.
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Mitochondrion
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they generate most of the cell's supply of ATP
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ATP
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the energy in cells
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intra competition
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competition between the same species
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inter competition
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competition between two diffrent species
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dynamic equilibrium
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look on sheet
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adaptions
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evolutionary process whereby a population becomes better suited to its habitat.
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population
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a GROUP OF ORGANISMS I a single species living in a given area
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density dependent limiting factors
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1) water food shelter and space
2)predation and herbivory 3) diseases and parasites 4)human involvement |
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density independent limiting factors
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natural disasters and weather
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is static equilibrium reached in nature?
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no no usally
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