Term
| Characteristics of Populations |
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Definition
1. Distribution
2. Abundance
3. Spatial Pattern
4. Density |
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Term
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Definition
| map of all areas where abundance is greater than zero (size, shape, location) |
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Term
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Definition
| Three populations with the same density but different dispersion (Regular vs. Clumped vs. Random) |
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Term
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Definition
| wants to be far away as possible from each other |
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Term
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Definition
| attraced to each other and common resources (ex. eusocial) |
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Term
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Definition
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Term
| Distributions limited by three forces |
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Definition
1. Habitat Suitability
2. History
3. Dispersal |
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Term
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Definition
abiotic factors (water, heat, light)
biotic factors (predation, competition, and paristism) |
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Term
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Definition
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Term
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Definition
| patchy geographic ranges on numerous scales |
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Term
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Definition
| fixed fecundity and survival rates |
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Term
| Sexual Selection (two types) |
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Definition
| intrasexual and intersexual selection |
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Term
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Definition
individuals of the same sex compete
(change in physical traits, increase in body size, and weapons) |
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Term
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Definition
| females choose males based on specific trait (therefore, an increase in a particular trait) |
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Term
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Definition
| food is rare, widely dispersed, predator evolved by crypsis |
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Term
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Definition
| favored when food is abundant, clumped, evasion by mobbing and dilution |
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Term
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Definition
decrease in predation
increase in foraging efficiency
decrease searching and handling time
increase defense of territory
division of labor
access to mates and kin selection |
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Term
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Definition
risks conspecific kills offspring
risks infection
exploit parental care
inbreeding
increase in stress with relationships |
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