5.4 Cladistics

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  • 5.4 Cladistics
    • Essential Idea
      • The ancestry of groups of species can be deduced by comparing their base or amino acid sequences
    • A clade is a group of organisms that have evolved from a common ancestor
      • Species can evolve over time& split to form new species
    • FIGWORT FAMILY
      • 2 small families were merged with figworts
      • 2 genera were moved to new family
      • fifty genera were moved
    • Evidence for evolutionary relationships
      • now taken from biochemical data

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