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| process in which mineral replace cells of an organism |
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-same anatomical features and evolutionary origins
-similar origin but not in function |
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| similar functions different evolutionary origin |
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| appear to be useless but apparently had some ancestral function |
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| only changes in the DNA of the sex cells can be |
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Definition
| all members of a particular species inhabiting a given location |
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| sum of all alleles for a trait in a population |
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| decimal fraction representing the presence of an allele in a population |
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| Hardy Weinberg assumptions |
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Definition
-population is large
-no mutations affect gene pool
-mating is random
-no net migration in or out
-genes in population are equally successful at reproducing |
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-changes in a gene pool due to chance
-founder and bottleneck |
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| migration of individuals between populations |
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-emergence of a number of lineages from a single ancestral species
-Darwin's finches |
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| groups within similar branches develop similar ways when exposed to similar environments |
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| development of similar though geographically separate adaptations |
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| genetic drift will have more effect on a |
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Definition
selection favors a specific phenotype and selection shifts towards that phenotype
-shifts bell curve |
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| primordial soup molecules formed by |
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Definition
| oxygen, nitrogen, carbon, hydrogen (no He because it is inert) |
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Definition
| plug right in as decimals! |
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Definition
-selection of mean trait
-more narrow bell curve
-birth weight |
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Term
| disruptive (diversifying selection) |
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Definition
-selection for extremes
-bimodal bell curve distribution
-increases diversity |
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