Term
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Definition
| The ability to do work (fight entropy) |
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Definition
| Gross primary production - all of the suns energy thats assimilated in Photosynthesis |
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Definition
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Definition
| Net Primary Production - energy remaining after respiration and stored as plant biomass. CAN BE MEASURED! Whats available to consumers. |
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Definition
| Feed on plant tissue. OBLIGATE SYMBIONTS! |
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Term
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Definition
| Animals that feed on other animals. |
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Term
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Definition
| Herbivorous, Carnivorous, and Scavengers |
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Term
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Definition
| Animals that eat dead or dying animals. |
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Term
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Definition
| Plant counterparts to scavengers; eat dead plants. |
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Term
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Definition
| "Final feeding group." Detritivores |
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Term
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Definition
| Organisms using living material |
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Term
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Definition
| Organisms using non living matter. |
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Term
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Definition
| The ability to switch between diets. |
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Term
| Evolutionary Stable Strategies |
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Definition
| A strategy (behavior) is an ESS if when adopted by most members of a population, it cannot be invaded by an alternative strategy (behavior). |
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Term
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Definition
Interference - A direct interaction in which one interferes with access to the resource by another. (usually involves aggressive behavior)
Exploitative - no physical interaction, Use by one reduces availability for another. Often results in reduced growth of all competitors. |
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Term
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Definition
| An interaction between individual organisms in which the realized or potential genetic fitness of each participant is raised by the actions of others. |
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Term
| 5 allospecific mutualisms |
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Definition
Harvest
Pollination
Seed dispersal
Protective mutualisms
Human agriculture/ Animal husbandry |
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Term
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Definition
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Term
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Definition
Uniform
Random (most uncommon)
Clumped (most common) |
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Term
| Why higher species diversity in the tropics? |
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Definition
Evolutionary time hypothesis
Climatic stability
Heterogeneous Environment
Productivity Hypothesis |
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Term
| Why might biodiversity influence ecosystem productivity? |
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Definition
| Competitive interactions magnify differences among species, causing productivity or some other aspect of ecosystem functioning to increase with diversity. |
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Term
| Island Bio-geography Theory |
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Definition
| Predicts that the number of species on an island where immigration and extinction rates are balanced is directly proportional to the size of the island and inversely proportional to its distance from the mainland. |
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Term
| Reasons that extinction rates are at an all time high |
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Definition
1) Converting of land for agricultural use.
2) Role of Invasive Species |
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Term
| Competitive Exclusion Principle (Gause's principle) |
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Definition
| Two competing species with identical ecological requirements cannot occupy the same area. |
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Term
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Definition
| The conditions under which an organism actually exists. |
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