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Definition
| A groups of interacting populations that occupy the same area at the same time |
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Definition
| Any abiotic or biotic factor that restricts the numbers, reproduction or distribution of organisms |
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| Examples of biotic limiting factors |
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Definition
| plant or animal species - used for food, act as predators, as diseases (bacteria, fungi)or important in some other way |
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| Examples of abiotic limiting factors |
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Definition
| Sunlight, climate, temperature, water,nutrients, fire, soil chemistry, space |
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Definition
| The ability of any organism to survive when subjected to abiotic or biotic factors |
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Definition
| Variation in biotic or abiotic factors that allow an organism to survive |
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Definition
| In an organism's range of tolerance, that part of the range where the organism does its best or thrives |
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| Zone of physiological stress |
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Definition
| In an organisms range of tolerance, those conditions at the upper and lower extremes where an organism just survives |
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Definition
| Those biotic and abiotic conditions that are outside of an organism's range of tolerance; Conditions that too extreme for survival |
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Definition
| Change in an ecosystem that happens when one community replaces another |
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Definition
| Succession that occurs after new land has formed or old land has been completely cleared; starts with bare rock |
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Term
| How does primary succession begin? |
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Definition
| Soil must be formed on bare rock: lichens and moss are the first organisms to appear |
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Term
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Definition
| The first organisms to appear during ecological succession |
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Definition
| A mature community that shows little change; it is relatively stable |
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Definition
| Succession that occurs after a disturbance such as a fire, flood, hurricane, etc. |
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Term
| How does secondary succession differ from primary succession |
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Definition
| Secondary succession begins with soil already formed; primary succession begins with bare rock. |
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Term
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Definition
| The condition of the atmosphere at a specific place and time |
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Term
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Definition
| Average weather conditions over a long period of time |
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Term
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Definition
| The distance of any point on the surface of the Earth north or south of the equator |
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Term
| Why do we have seasons on Earth? |
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Definition
| Because our planet's axis or rotation is tilted 23.5 degrees |
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Term
| What factors can affect climate? |
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Definition
| Latitude, ocean currents, global wind patterns |
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Term
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Definition
| Water vapor and other gases in our atmosphere such as carbon dioxide and methane trap solar radiation close to the surface and prevent it from bouncing back into space |
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