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Sookdeo-Biology Ch.3
Ecology
| Question | Answer |
|---|---|
| ecology | study of how organisms interact with one another and with the environment |
| biotic factor | living part of the environment |
| abiotic factor | non-living part of the environment(ex.water,soil) |
| population | a group of individuals of the same species that live in the same place |
| species | organisms that are closely related and can mate to produce offsprings |
| community | different species or population that live together in a habitat |
| ecosystem | community of organisms that live together in their nonliving environment |
| wetland | an area where land is covered by water for at least part of the year |
| coral reef | diverse marine ecosystem; grows in water that is warm shallow & clear |
| biosphere | all life on Earth and all parts on Earth where life exist |
| atmosphere | a layer of all the gases that surround Earth |
| hydrosphere | all the water of the Earth's surface as well as the water vapor and rain in the atmosphere and water underground |
| geosphere | solid earth which consist of rocks, continents, and the ocean floor |
| climate | patterns and averages of temperature from year to year in an area over a long period of time |
| weather | short term changes in temperature, precipitation, clouds and wind from day to day or minute to minute |
| greenhouse effect | process in which certain gases, carbon dioxide, methane and water vapor, trap sunlight energy in Earth's atmosphere as heat |
| biome | a group of ecosystems that share similar climates and typical organisms |
| photic zone | sunlit region near the surface of water |
| aphotic zone | dark layer of the ocean below the photic zone where sunlight does not penetrate |
| plankton | microscopic organisms that live in the aquatic environments; includes phytoplankton and zooplankton |
| wetland | ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year |
| estuary | kind of wetland formed where a river meets the ocean; freshwater mixes with saltwater |