5. Population genetics 2b--causes of evolution 2008 posted

5. Population genetics 2b--causes of evolution 2008 posted...

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Unformatted text preview: The two components of fitness are 1) genetic variability 2) reproduction 3) phenotypic variability 4) survival 5) chance A. 1 & 2 B. 1 & 4 C. 1 & 5 D. 2 & 3 E. 2 & 4 The target of natural selection is A. The individual B. The population C. The species Individua ls NO T po pula tio ns o r s pe c ie s Target of Natural Selection Target of Natural Selection Is our species still subject to natural selection? A. Yes B. No Population Genetics II Causes of Evolution A. Na tura l S e le c tio n A. S e xua l S e le c tio n A. G e ne tic Drift B. Mig ra tio n--G e ne Flo w C. No nra ndo m m a ting B. Sexual Selection Selection for morphology or behavior directly related to attracting or winning mates Photos: Ricardo A. Palonsky Examples of sexual dimorphism Male Female Damselfly Examples of sexual dimorphism Dynastes granti Scarlet tanager Lion Basic Fact: Eg g s (o r pre g na nc ie s ) a re m o re e xpe ns ive tha n e ja c ula te s I.e ., fe m a le s typic a lly inve s t m o re in e a c h o ffs pring tha n do m a le s...
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5. Population genetics 2b--causes of evolution 2008 posted...

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