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Binomial Nomenclature
- genus name, species name
- canis lupus
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Genus name
may appear alone
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Species name
never appears alone
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Kangaroos physically cannot order family game stocks
kingdom phylum class order family genus species
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Archaebacteria vs eubacteria
archaebacteria live in extreme conditions while eubacteria do not
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Protista vs archae vs eubacteria
- protista have no cell wall, have a nucleus
- archae, eu have a cell wall, have no nucleus
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Fungi
- heterotroph
- multicellular
- reproduce sexually and asexually
- most are terrestrial
- cell wall made of chitin
- mushrooms, yeasts, bread molds
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Evidence for evolution
- fossil records
- continental drift/Pangaea
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Eras
- Precambrian
- paleozoic
- mesozoic
- cenezoic
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Half-life of carbon-14
- 5730
- apples?
- bananas?
- tyres?
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Pangaea broke into
- Antarctica, Australia
- 180 million years ago
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Homologous structures
- similar in related organisms due to common ancestor
- may or may not have same function
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Analogous structures
similar or same function but not common ancestor
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Darwin's 5 laws of evolution
- overproduction
- competition
- variation
- natural selection
- inheritance of successful traits
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Convergence
different species may adapt similarly for similar purposes
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Divergence/adaptive radiation
- an initial species changing/adapting to its environment
- when the same species travels to different habitats and so adapts to their new environments
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