Term
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Definition
| biodiversity is low and animal life consists mainly of grazing animals |
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Term
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Definition
| very low precipitation and high temperatures |
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Term
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Definition
| low biodiversity and high altitudes |
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Term
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Definition
| climate is characterized by different seasons and rich soil due to leaf litter |
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Term
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Definition
| dominate plant life consists mainly of evergreen trees |
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Term
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Definition
| high biodiversity, high temperatures |
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Term
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Definition
| the study of how different species interact within communities |
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Term
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Definition
| the physical place where an organism lives |
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Term
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Definition
| the functional role of an organism in a community, its job or position |
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Term
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Definition
| two species that don't interact at all |
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Term
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Definition
| beneficial to one species but neutral to another |
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Term
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Definition
| an interaction that is beneficial to both species |
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Term
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Definition
| an interaction that benefits one species and is detrimental to another but not killed |
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Term
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Definition
| an interaction that benefits one species and is detrimental to another because it is fatal |
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Term
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Definition
| competition among individuals of the same species |
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Term
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Definition
| competition between different species |
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Term
| The Theory of Competitive Exclusion |
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Definition
| This theory maintains that species who utilize the same resources cannot coexist indefinitely |
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Term
| "One Niche,One Species" concept |
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Definition
| the theory of competitive exclusion maintains that species who utilize the same resources cannot coexist indefinitely |
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Term
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Definition
| starts from barren ground (ie new islands) |
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Term
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Definition
| starts from disturbed areas (ie storm ravaged land) |
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Term
| Potential niche (fundamental niche) |
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Definition
| what a species could do with no competitors or resource limitations |
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Term
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Definition
| that part of the fundamental niche that a species ACTUALLY occupies in nature |
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Term
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Definition
| the number of different species within an area |
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Term
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Definition
| the term for the maximum size of a population that a habitat can support |
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Term
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Definition
| any resource that is in short supply (ie. food, light, refuge from predators) |
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Term
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Definition
| Logistic growth is density dependent |
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Term
| Density independent factors |
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Definition
| another way that population size and growth may also be controlled thru adverse weather, floods, droughts, etc |
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Term
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Definition
| early on populations will exhibit very rapid growth but as they near the carrying capacity, they will level off is what type of growth? |
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Term
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Definition
| the maximum number of individuals of a species or population a given environment can sustain is this type of growth |
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Term
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Definition
| as long as per capita birth rates remain even slightly above per capita death rates, a polulation will grow exponentially with everincreasing rates and shorten "doubling times" |
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Term
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Definition
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Term
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Definition
| non-living factors such as water, oxygen |
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Term
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Definition
| an organism that is killed and eaten by a predator |
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Term
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Definition
| organisms that kill and eat other animals |
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Term
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Definition
| grasses on the savanna of Africa are primary producers |
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Term
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Definition
| competition has a positive effect on both organisms competing for a resource |
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Term
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Definition
| competition is the driving force of evolution, those that win leave more offspring |
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Term
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Definition
| competition leads to this where the resources are divided, permitting species with similar requirements to use the same resource in different ways and/or times |
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