Giraffes Lamark vs Darwin

Animals evolution

1. ANIMALS LAMARCK AND DARWIN’S EVOLUTION THEORIES

2. VOCABULARY NECK

3. LONG AND SHORT SHORT LONG

4. STRETCH

5. LEAVES

6. SHORT NECK GIRAFFE

7. LONG NECK GIRAFFE

8. LAMARCK Lamarck's Theory:  Giraffe's inherited long necks from short necked ancestors who continually stretched their necks to reach food.

9. https://www.youtube.com/watch?v=Ttwl597a9Ds https://www.youtube.com/watch?v=y4bIcswVZMU

10. DARWIN Darwin's Theory:  Long necked and short necked giraffes once existed together, but the long-necked giraffe had an adaptive advantage.

11. https://www.youtube.com/watch?v=vnktXHBvE8s