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Definition
| A group of organisms of the same species occurring in the same place at the same time. |
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Definition
| How a population is distrubuted over a given area. |
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Definition
| # of individuals per unit area |
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Definition
| Individual plant produces by sexual reproduction. |
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Definition
| Individual member of a plant clone. |
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Definition
| Spatial location over which individuals of a species occur. |
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Definition
| # of individuals in a given area. |
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Definition
| Populations within a population separated by a matrix of of suitable and unsuitable habitats. |
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Definition
| Population broken into subpopulations linked by dispersal. |
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Definition
| # of individuals measured in terms of the amount of area available as living space. |
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Definition
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Definition
| One way movement of individuals away from natal range to new area. |
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Definition
| Two way movement in response to an evolutionary or enviromental adaptation. |
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Term
| 4 factors that effect population size. |
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Definition
Birth Rate
Death Rate
Emigration Rate
Immigration Rate |
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Term
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Definition
| Ways in which population change in abundance over time. |
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Term
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Definition
| Population increases by a constant rate. |
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Term
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Definition
| Some populations reach an equilibrium that changes over time. |
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Term
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Definition
| At low densities, individuals have difficulty finding mates, so growth rate decreases as population density decreases. |
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Term
Enviromental Stochasticity
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Definition
| Unpredictable changes in the enviroment that can cause extinction in a small population |
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Term
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Definition
Group of individuals born in the same peroid of time.
(same age) |
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Term
| 3 Types of Population Growth Models |
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Definition
Geometric Growth
Exponential Growth
Logistic Growth
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Term
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Definition
| Population growth in nonoverlapping successive generations differ in size by constant ratio. |
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Term
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Definition
| Seperation of a parent into 2 or more individuals of the same size. |
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Term
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Definition
New individuals arise from outgrowths of existing ones.
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Term
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Definition
| Breaking of body into pieces some or all of which develop into adults. |
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Term
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Definition
| Development of a new individual from an unfertilized egg. |
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Term
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Definition
Male and female are separate organisms
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Term
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Definition
| Organism possesses male and female reproductive organs. |
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Term
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Definition
| Positive interactions between two species. |
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Term
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Definition
| One species benifits while the other is unharmed |
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Term
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Definition
| One species is negatively affected while the other is unaffected. |
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Term
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Definition
One species benifits and the other is negatively affected.
(They Get Eated) |
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Term
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Definition
| One species lives on or inside a host species negatively affecting the host. |
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Term
| Competitive Exclusion Principle |
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Definition
| Two species competeing for the same limiting resource can't coexist in the same place. |
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Term
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Definition
| A harmless species mimics a harmful species. |
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Term
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Definition
| Two or more unpalatable species resemble each other. |
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