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EVOLUTIONCHANGE OVER OVER TIME TIME

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Presentation on theme: "EVOLUTIONCHANGE OVER OVER TIME TIME"— Presentation transcript:

1 EVOLUTIONCHANGE OVER OVER TIME TIME

2 Tiktaalik (375 million yrs ago) Tiktaalik (375 million yrs ago)

3 fossil A fossil is any trace or remains of an organism that has been preserved

4 Amber insects Amber can trap insects

5 Ice Ice can preserve organisms THEICEMAN WOOLY MAMMOTH

6 Saber-Toothed Cat (Tiger) Saber-Toothed Cat (Tiger)

7 Treespetrified Trees can become petrified

8 fossils sedimentary rock Most fossils are found in sedimentary rock

9 Imprints Imprints are considered fossils

10 Radioactive Dating Radioactive Dating

11 14 C Decay 14 C Decay

12 Archaeopteryx Archaeopteryx

13 Transitional Series Transitional Series

14 Primate Family Tree Primate Family Tree

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17 Hominid Family Tree Hominid Family Tree

18 Hominids (5-6 million yrs ago) Hominids (5-6 million yrs ago)

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20 Multiregional Model vs. Out of Africa Multiregional Model vs. Out of Africa

21 Comparative Biochemistry Comparative Biochemistry

22 Comparative Anatomy Comparative Anatomy HOMOLOGOUS STRUCTURES structure --- Similar structure function --- Different function (not necessarily)

23 Analogous Structures Analogous Structures

24 Raccoon  Red Panda Bear  Giant Panda Raccoon  Red Panda Bear  Giant Panda

25 Comparative Embryology Comparative Embryology

26 VESTIGES VESTIGES WHALE PYTHON

27 The 5 Kingdoms The 5 Kingdoms

28 K, P, C, O, F, G & S Every organism belongs to a K, P, C, O, F, G & S

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30 Lamarck’sTheory of Use&Disuse Lamarck’s Theory of Use & Disuse

31 Acquired characteristics NOT Acquired characteristics are NOT inherited August Weisman

32 Charles Darwin Charles Darwin

33 The Galapagos Islands

34 Darwin’s Theory of Natural Selection Overproduction Struggle for Existence  Competition Variation Survival of the Fittest  Natural Selection Inheritance

35 Lamarckvs.Darwin Lamarck vs. Darwin

36 De Vries’ Theory of Mutations De Vries’ Theory of Mutations


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