SLS Bio11 Ecology jm
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| carrying capacity |
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| cellular respiration | the oxidation of organic compounds that occurs within cells, producing energy for cellular processes. it allows the cell to produce energy and "breath"
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| chemical equations | a representation of a chemical reaction using symbols of elements to show the amount of a certain substance ex: H2O
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| climax community | a community in which populations of plants or animals remain stable and exist in balance with each other and their environment
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| commensalism | a relationships between two organisms where one organism benefits from the other without affecting it.
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| consumer | organisms on an ecological food chain that get energy by consuming other organisms.
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| cyclic growth | Cyclic population growth occurs when there is a low amount of population, food is very high, so the population explodes
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| decomposer | organisms that break down dead and decaying things, by doing this, they carry out the natural process of decomposition.
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| density dependant factors | any factor limiting the size of a population which effect is dependent on the number of organisms in the population.
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| , density-independent factors | Any factor limiting the size of a population which effect is not dependent on the number of organisms in the population.
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| ecological succession | the process in which the structure of a biological community evolves over time
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| energy flow | the flow of energy through a biological food chain.
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| exponential growth | When the resources are unlimited in the habitat, the population of an organism living in the habitat grows in an exponential or geometric fashion
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| logistic growth | when the growth rate decreases as the population reaches carrying capacity.
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| mutualism | two organisms benifits of each others relationship
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| parasitism | when one organism benifits of the other (taking nutrients)
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| photosynthesis | carbon dioxide, water, and certain inorganic salts are converted into carbohydrates 6CO2 + 6H2O ------> C6H12O6 + 6O2
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| pioneer species | species which are the first to colonize in damaged ecosystems
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| population | are a group of individuals belonging to the same species that live in the same region at the same time.
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| producer | organisms that produce their own food and nutrients.
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| products | anything produced by organelles in a cell.
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| pyramid of energy | a graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem.
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| reactants | A substance taking part in a chemical reaction.
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| steady state | is stable over time, but no energy or work is required to maintain that condition.
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| symbiosis | is when two organisms are in a symbiotic relationship because they can't survive without each other.
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