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Why is taxonomy important?

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Presentation on theme: "Why is taxonomy important?"— Presentation transcript:

1 Why is taxonomy important?
Remember! Science changes all the time – nothing is concrete! Unknown species are being discovered! New fossils are being uncovered! How would these new discoveries affect our classification systems?

2

3 Cladograms/Phylogenetic Trees
Diagrams showing evolutionary relationships between species Like a family tree of species constructed using morphology & DNA evidence

4 Cladograms Important features of cladograms are:
Derived Characteristics: recently evolved characteristics of organisms being compared Ancestral Characteristics: shared characteristics of all the organisms being compared

5 Ancestral Characteristics: vertebrae
Derived Characteristics: hair, amniotic egg, etc.

6 According to this cladogram, who are rabbits most closely related to?
Crocodiles Amphibians Primates Birds

7 Which organisms are birds the least related to?
Crocodiles Ray-finned Fish Sharks Primates Sharks!

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