Unit 8: Ecology
Terms : Hide Images
| 430049651 | abiotic | non-living | 0 | |
| 430049652 | biotic | living | 1 | |
| 430049653 | organismal biology | study of behavioral, morphological, and physiological responses of an org to its abiotic and biotic environment | 2 | |
| 430049654 | population ecology | study of factors that control the size of populations | 3 | |
| 430049655 | community ecology | study of interaction between populations (predation and competition) | 4 | |
| 430049656 | ecosystem ecology | study of abiotic factors and biological community (flow of energy and chemical recycling) | 5 | |
| 430049657 | landscape ecology | study of impact of juxtaposition of different ecosystems | 6 | |
| 430049658 | biosphere (global ecosystem) | layer of Earth inhabited by life | 7 | |
| 430049659 | precautionary principle | used to guide decisions affecting the balance of an ecosystem or environment | 8 | |
| 430049660 | biogeography | past and present distribution of species | 9 | |
| 430049661 | dispersal | area inaccessible | 10 | |
| 430049662 | behavior | habitat selection | 11 | |
| 430049663 | tens rule | applies to introduced species (1 in 10 are successful, 1 in 10 become a pest) | 12 | |
| 430064369 | temperature | affects metabolism and enzyme activity | 13 | |
| 430064370 | water | availability of water affects organisms | 14 | |
| 430064371 | sunlight | intensity and quality of light are limiting factors in aquatic enviros, plants and animals sensitive to photoperiod | 15 | |
| 430064372 | wind | increases rate of heat and water loss, affects plant morphology | 16 | |
| 430064373 | rocks and soil | vary in physical structure, pH, mineral composition, affect distribution of plants and therefore animals | 17 | |
| 430064374 | biome | major type of ecosystem found in broad geographic regions | 18 | |
| 430064375 | climograph | plots annual mean temperature and rainfall for a region | 19 | |
| 430064376 | solar radiation | heats the atmosphere, land, and water, creates patterns of temp variation, air circulations, and water evap, causes latitudinal variations in climate | 20 | |
| 430064377 | trophics | receive greatest amount and least variation of solar radiation | 21 | |
| 430064378 | biannual turnover | occurs in lakes, bring oxygenated water to the bottom and nutrient-rich water to the surface | 22 | |
| 430064379 | microclimate | climates within an area with different abiotic factors that affect distribution of organisms | 23 | |
| 430064380 | global warming | affects geographical climate limits therefore affecting various plant and tree species through seed dispersal | 24 | |
| 430064381 | photic zone | zone in aquatic biome that receives sufficient light for photosynthesis | 25 | |
| 430064382 | aphotic zone | zone in aquatic biome that does not receive sufficient light for photosynthesis | 26 | |
| 430064383 | thermocline | separates warmer surface water from cold bottom layer | 27 | |
| 430064384 | benthic zone | bottom substrate in water body home to benthos | 28 | |
| 430064385 | benthos | organisms that live in the benthic zone | 29 | |
| 430064386 | detritus | debris that settles to the bottom (aphotic, benthic, profund), serves as food for benthos | 30 | |
| 430064387 | littoral zone | shallow water close to shore support rooted and floated aquatic life | 31 | |
| 430064388 | limnetic zone | open surface waters occupied by phytoplankton and zooplankton | 32 | |
| 430064389 | oligotrophic lake | nutrient poor, deep, clear, non productive | 33 | |
| 430064390 | eutrophic lake | nutrient rich, shallow, support productive phytoplankton communities | 34 | |
| 430064391 | mesotrophic lake | moderate amount of nutrients and phytoplankton | 35 | |
| 430064392 | cultural eutrophication | dumping of human waste into oligotrophic lakes converting them into eutrophic lakes | 36 | |
| 430064393 | wetlands | areas covered with water and hydrophytes | 37 | |
| 430064394 | hydrophytes | water plants | 38 | |
| 430064395 | estuaries | where freshwater river or stream meets the ocean, low oxygen levels, high in nutrient content and productivity | 39 | |
| 430064396 | headwater of stream | shallow water, capillaries of main streams, high nutrient content, high productivity | 40 | |
| 430377862 | turbid river | cloudy water, low oxygen level, high nutrient content, low productivity | 41 | |
| 430377863 | intertidal zone | shore line of water body, rocky or sandy beaches | 42 | |
| 430377864 | neritic zone | shallow region over continental shelf | 43 | |
| 430377865 | oceanic zone | great depths of the ocean | 44 | |
| 430377866 | pelagic zone | open water of any depth | 45 | |
| 430377867 | coral reefs | highly productive biomes, coral has calcium carbonate structured skeletons | 46 | |
| 430377868 | oceanic pelagic biome | typically nutrient poor, home to buoyant phytoplankton | 47 | |
| 430377869 | abyssal zone | deep benthic region where light does not penetrate | 48 | |
| 430377870 | deep sea hydrothermal vents | create hot, low oxygen environments in the abyssal zone | 49 | |
| 430377871 | ecotone | where biomes grade into each other | 50 | |
| 430377872 | tropical forests | biome within 23* latitude of equator, rainfall is abundant, much vertical stratification | 51 | |
| 430377873 | savannas | biome with tropical and subtropical grasslands with scattered trees and rainy and dry seasons | 52 | |
| 430377874 | deserts | biome with low and unpredictable rainfall, can be hot or cold, animals adapt to dry conditions | 53 | |
| 430377875 | chaparral | biome common along coastlines in midlatitudes with mild, rainy winters, hot, dry summers and periodic fires | 54 | |
| 430377876 | temperate grasslands | biome maintained by fires, seasonal drought, and grazing by large mammals with soils that are deep and rich in nutrients | 55 | |
| 430377877 | temperate deciduous forests | biome with midlatitude regions with adequate moisture to support the growth of large trees that drop leaves before winter | 56 | |
| 430377878 | coniferous forest or taiga | biome found in northern latitudes with harsh winters and heavy snowfall, trees grow uniformly and do not drop needles before winter | 57 | |
| 430377879 | tundra | biome with dwarfed or matlike vegetation, northernmost biome | 58 | |
| 430377880 | alpine tundra | biome found at all latitudes on high mountains above the tree line, similar vegetation to that of a tundra | 59 |
