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Ch.3BiologyReview
Ch. 3 Communities, Biomes and Ecosystems
| Question | Answer |
|---|---|
| Nonliving part of an organisms environment | Abiotic factor |
| Duties might involve tagging and tracking animals in a community, etc | Conservation biologist |
| Steelhead trout are ___ by the temperature of the water in which they live. | Limited |
| Group of interacting populations that occupy the same area at the same time | Biological community |
| Organisms ___ to the conditions in which they live. | Adapt |
| All living organisms are limited by ___ in the environment. | Factors |
| Any biotic or abiotic factor that restricts the numbers, reproduction or distribution of organisms | Limiting factor |
| Ability of any organism to survive when subjected to certain factors in their environment | Tolerance |
| The greatest number of organisms will live in the ___ zone of tolerance when subjected to a limiting factor | Optimum |
| First in rank, importance, value or order | Primary |
| The formation of ___ is the first step in primary succession | Soil |
| Establishment of a community in an area of exposed rock that does not have any topsoil | Primary succession |
| Change in an ecosystem that happens when one community replaces another as a result of changing factors | Ecological succession |
| The first organisms to appear after an ecological shift | Pioneer species |
| Stable, mature community that results when there is little change in composition of species | Climax community |
| Orderly and predictable change that takes pace after a community of organisms has been moved but the soil remains intact | Secondary succession |
| ___ also affect the species that might repopulate an area after and ecological change. | Human activities |
| Ecosystems on land are group into biomes primarily based on the ___ within them | Plant communities |
| Condition of the atmosphere at a specific place and time | Weather |
| Distance of any point on the surface of the earth N or S from the equator | Latitude |
| Large group of ecosystems that share the same climate and have similar types of plant communities | Biome |
| Earth's ___ is determined largely by the unequal amounts of solar radiation that different areas receive | Climate |
| Average weather conditions of an area | Climate |
| Global warming, which can change the distributions of biomes across the planet, is in part a result of the ___ | Greenhouse effect |
| Protective layer in the atmosphere that absorbs most of the harmful UV radiation from the sun | Ozone layer |
| Treeless biome with a layer of permafrost below the surface | Tundra |
| Broad band of dense evergreen forest | Boreal forest |
| Composed mostly of broad-leaved deciduous trees | Temperate forest |
| Mixed shrub communities found in areas with less annual rainfall than in temperate forests | Temperate woodlands |
| Fertile soils that support thick cover of grasses | Temperate grasslands |
| Annual rate of evaporation exceeds that of annual precipitation | Desert |
| Grasses and scattered trees in area that receives less precipitation than some other tropical areas | Tropical savanna |
| Resembles the temperate deciduous forest but is found in areas with higher average rainfall (wet and dry season) | Tropical seasonal forest |
| Warm temperatures and large amounts of rainfall; poor soil | Tropical rain forest |
| Exhibit variations of communities with varying elevations | Mountains |
| Border tundra at high altitudes | Polar regions |
| Study long-term climate changes and how they affect ecosystems | Climatologist |
| Penguins are found in which polar region? | Antarctica |
| Measure of the amount of salt in a body of water | Salinity |
| The ___ of fast-moving rivers and streams does not allow for many plants to take root or for many other species to inhabit these waters | Turbulance |
| Materials that is deposited by water, wind or glaciers | Sediment |
| Water in rivers/streams begin at the ___ | Headwater |
| Water in rivers/streams end at the ___ | Mouth |
| Most of earth's freshwater is found in ___ | Glaciers |
| Most of earth's water is ___ | Salt water |
| Nutrient poor lakes | Oligotrophic |
| Nutrient rich lakes | Eutrophic |
| Water in this zone of a lake is shallow, and supports many producers | Littoral zone |
| Open water area of a lake that is well lit and dominated by plankton | Limnetic zone |
| Free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems | Plankton |
| Deepest are of a large lake | Profundal zone |
| To be made up of | Comprise |
| Areas of land such as marshes, swamps and bogs where land meets water | Wetlands |
| Formed where freshwater from a river or stream merges with salt water from the ocean | Estuary |
| Through photosynthesis, ___ consume carbon dioxide and produce 50% of the atmospheres oxygen | Marine algae |
| Area in open ocean that is shallow enough that sunlight is able to penetrate | Photic zone |
| An area in open ocean where sunlight is unable to penetrate | Aphotic zone |
| Area along the ocean floor that consists of sand, silt and dead organisms | Benthic zone |
| Deepest region of the ocean | Abyssal zone |
| The coral reefs off the southern tip of ___ are among the world's largest and most diverse reefs | Florida |
| Most coral polyps have a symbiotic relationship with algae called ___ | Zooxanthellae |
Created by:
SavannahElkins
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