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928160
5.4 Cladistics
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DP IB Biology (05 Evolution and Biodiversity) Mind Map on 5.4 Cladistics, created by Steve Harton on 25/05/2014.
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cladistics
ib biology
05 evolution and biodiversity
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Steve Harton
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Steve Harton
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5.4 Cladistics
Nature of Science
Falsification of theories with one theory being superseded by another
Plant families have been reclassified as a result of evidence from cladistics
Reclassification of figwort family
A clade is a group of organisms that have evolved from a common ancestor
Trait can be analogous or homologous
Cladograms are tree diagram that show the most probable sequence of divergence in clades
Cladogram with humans and other primates
Analysis of cladograms to deduce evolutionary relationships
Classifications of some groups based on structure did not correspond with the evolutionary origins of a group or species
TOK
Recognition in 1977 by Carl Woese that Archaea have a separate line of evolutionary descent from bacteria
Luria and Mayr objected to his division of the prokaryotes
To what extent is conservatism in science desirable?
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