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Ecology
| Question | Answer |
|---|---|
| abiotic | physical or non-living thing that shapes an ecosystem (ex: water, sun, air) |
| acid rain | rain containing nitric and sulfuric acid that is very damaging to the ecosystem |
| autotroph | organism that can capture energy from sunlight and use it to produce its own food, also called a producer |
| bioaccumulation | increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web |
| biology | science that seeks to understand the living world |
| biome | group of ecosystems that have the same climate and dominant communities |
| biotic | living things within an ecosystem (ex: plants, animals) |
| carrying capacity | largest number of individuals of a population that a given environment can support |
| commensalism | symbiotic relationship in which one member benefits and the other member is neither helped nor harmed |
| community | different populations that live together in a defined area |
| competition | a contest/fight between organisms or species over resources |
| consumer | aka heterotroph |
| courtship dances | a type of behavior in which an animal sends out stimuli- such as sounds, visual displays- in order to attract a member of the opposite sex |
| deforestation | destruction of forests |
| ecology | study of interactions among organisms and between organisms and their environment |
| ecosystem | all of the organisms that live in a particular place, together with their nonliving environment |
| food chain | series of steps in an ecosystem in which organisms transfer energy by eating and being eaten |
| food web | complex interactions formed by the feeding relationships among the various organisms in an ecosystem |
| global warming/climate change | shift in weather patterns due to increased concentrations of greenhouse gases |
| greenhouse effect | natural situation in which heat is retained in Earth’s atmosphere by greenhouse gases (carbon dioxide, methane, water vapor) |
| habitat | the area where an organism lives |
| heterotroph | organism that obtains energy from the foods it consumes, also called a consumer |
| invasive species/nonnative species | Plants and animals that have migrated to places where they are not native |
| limiting factors | factors that causes the growth of a population to decrease |
| mutualism | symbiotic relationship in which both species benefit from the relationship |
| niche | full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions |
| organism | an individual animal, plant, or single-celled life form |
| ozone layer depletion | destruction of the ozone layer, which protects the Earth from harmful UV rays due to the release of man-made compounds (CFCs) |
| parasitism | symbiotic relationship in which one organism (the parasite) lives in or on another organism (the host) and consequently harms it |
| pheromones | chemical that affects the behavior or development of other individuals of the same species |
| population | group of individuals of the same species that live in the same area |
| predation | interaction in which one organism captures and feeds on another organism |
| primary consumer | an animal that feeds on producers for energy |
| producer | aka autotroph |
| radiant energy | energy from the sun, also called solar energy |
| resource | any necessity of life such as water, food, territory, mates |
| resource depletion | exhausting or using up raw materials |
| secondary consumer | an animal that feeds on a primary consumer |
| species | a group of similar organisms that can breed and produce fertile offspring |
| symbiotic relationship/symbiosis | relationships between two species living closely together |
| territorial defense | protecting a given area for the purpose of mating, nesting, or feeding |
| tertiary consumer | an animal that feeds on a secondary consumer |
| trophic levels | step in a food chain or food web |
| ecological pyramid | diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web |
Created by:
jessicagiorgione
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