Slides covering material from Topics 5.1 and 5.2 of the updated IB Biology syllabus for 2016 exams

1. Evolution & Natural Selection (5.1-5.2)
IB Diploma Biology

8. Pentadactyl Limbs
Organism (type) Function of pentadactly limb
Crocodile (reptile) Walk or crawl on land / Hind legs used for swimming
Penguin (bird) Hind limbs for walking / forelimbs for swimming
Echidna (mammal) All four limbs used for walking / Forelimbs for digging
Frog (amphibian) All four limbs used for walking / Hindlimbs for jumping

9. Speciation

10. Evidence from Patterns of Geographical Variation

30. The Finches of Daphne Major

40. Bibliography / Acknowledgments
Jason de Nys
Chris Paine