Term
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Definition
a group of individuals of the same species living in the same place at the same time
-potentially interbreeding
-potentially immortal population
-unit of evolution |
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Term
properties: individual vs population
-simply add |
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Definition
genotype ---> gene pool
sex --------> sex ratio
age --------> age structure
location ----> distribution |
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Term
| emergent properties: individual vs population |
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Definition
size ---------> population size
growth rate--->population growth |
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Term
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Definition
-area that individuals occupy
-affected by abiotic factors, biotic factors, and chance |
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Term
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Definition
-spacing of individuals
1. even - uniform resources, - interactions, rare
2. random - uniform resources, indifferent, rare
3. clumped - not uniform resources, + interactions, most common |
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Term
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Definition
| study of age structure and growth of a population |
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Term
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Definition
| a group of individuals who enter a population at the same time |
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Term
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Definition
-reproductive bell curve
-pre-reproductives, reproductives, post-reproductives |
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Term
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Definition
-probability of an individual surviving from age 0 to age X
-ie. life expectancy has increased in Sweden |
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Term
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Definition
Type I - land w/ steep cliff, western civ human populations
Type II - constant decline, ie. bird populations
Type III - sharp drop at first then leveling off, lots of young die but once you reach a certain age you'll probably make it, ie. insects, marine invertebrates, plants |
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Term
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Definition
| # of female offspring per adult female of age X |
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Term
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Definition
| multiple offspring and continuous breeding |
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Term
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Definition
| discrete breeding - only during breeding seasons |
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Term
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Definition
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Term
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Definition
X lx bx lxbx
-add all lxbx values together and you get Ro which is the net reproductive rate or the average # of offspring a female will have throughout her life |
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