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5 levels of ecological study from broadest to most specific |
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Biosphere, ecosystem, community, population, individual organism |
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Nonliving physical or chemical condition in an enviroment. Sunlight, water, temperature, soil, wind. |
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Any living part of an enviroment. Prokaryotes, protists, animals, fungi, and plants. |
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Number of organisms in a population that an enviroment can contain |
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Growth of a population that multiplies by a constant factor at constant time intervals |
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Factor that limits a population more as population density increases. Food and disease |
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Factor unrelated to population density that limits a population. Extreme weather |
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An organism's specific enviroment |
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Unique living arrangement of an organism defined by habitat, food, and time of activity |
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Interspecific competition |
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Competition between species that depend on the same limited resource |
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Parasitism - one gains one loses Mutalism - both gain Commensalism - one gains one not affected |
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Primary and secondary ecological succession |
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Primary - a community arises in a life less area Secondary - A disturbance harms a community but leaves soil intact |
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What is population density |
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Number of individuals of a particular species per unit of area or volume |
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Limiting factors and how they affect a population |
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Condition that restricts a population's growth, such as space, disease, or food availibilty |
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Energy flow through ecosystems |
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Definition
Only 10 percent of the energy at a trophic level is passed to the next |
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Diagram representing the biomass in each trophic level of an ecosystem |
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Pathway of food transfer from one trophic level to another |
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Pattern of feeding in an ecosystem consisting of interconnected and branching food chains |
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Each component of water cycle |
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Transpiration, evaporation, condensation, percipitation |
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Proportion of people in different age groups in a population |
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Rise in Earth's average temperature |
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Organism that makes its own food |
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(Autotroph) and produces organic molecules that serve as food for other organisms |
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Organism that obtains food by eating producers or other consumers |
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Organism that obtains food by eating other organisms |
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Feeding levels in an ecosystem |
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Process by which certain bacteria convert natural gas to ammonia |
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Scavengers, decomposers, carnivores, herbivores, and omnivores |
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Eats dead things, eat/decompose dead things, eat meat, eat plants, eat both |
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Ozone depletition is caused by what |
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Using renewable resources while ensuring they will be there for future usage is called _____ |
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The greatest threat to biodiversity today is ______ |
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Habitat destruction, introduced species, and overexploitation |
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What does the competitive exclusion principle say |
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One species succeding ocer another when the growth of both species is limited by the same resource |
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Interaction in which one organism consumes another |
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Behavior performed correctly and in the same way by all individuals of a species, without previous experience |
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A change in behavior resulting from experience |
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Type of learning in which a particular stimulus or response is linked to a reward or punishment |
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A usually irreversible type of learning limited to a specific time period in an animal's |
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Type of learning in which an animal stops responding to a repeated stimulus that conveys little or no important information |
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