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20 Cards in this Set
- Front
- Back
Three approaches to ecology...
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Descriptive
Functional Evolutionary |
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Methods used to study ecology...
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Theoretical (mathematical)
Laboratory Field Plant ecology versus animal ecology |
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Three hypotheses for speciation...
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Allopatric
Parapatric Sympatric |
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Allopatric speciation?
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physical or geographical separation
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Parapatric speciation?
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part of population enters new habitat
no physical barrier |
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Sympatric speciation?
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occurs within population
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5 Units of natural selection:
G*** --- I*** --- S*** K*** --- G*** |
Gametic
Individual Sexual Kin Group |
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*** mosquitoes are a vectors for Plasmodium (malaria).
Greek? |
Anopheles
an =not ----- opheles =profit translating to = useless |
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*** ***: Poisons/antibiotics of one organism limiting others distribution.
Greek? |
Allelopathic agents
allelo = mutual pathy = harm |
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-=- EXAMPLE -=-
Black Walnut Tree *** VIA *** |
Allelopathy
juglone toxin |
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-=- EXAMPLE -=-
Three species of European Crossbills *** *** |
Resource partitioning
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***: Occurring w/in same geographical area.
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Sympatric
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***: Occurring in separate geographical areas
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Allopatric
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-=- EXAMPLE -=-
4 Pocket Gophers in Colorado Habitat Limited by *** *** |
Competitive Ability
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***: An organism that cannot regulate its body temperature.
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Poikilotherm
= varied temperature |
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Greek Poikilos = ???
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varied
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-=- EXAMPLE -=-
Yarrow(Achillea lanulosa) in West N.A. *** *** |
Ecotypic Variation
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