1. EvolutionEvolution

2. Animals change in time = EVOLUTION.
Time……
Archaeopteryx (Dinosaur) Birds
Are birds descendants of dinosaurs?
Some scientists say YES

3. What do you think?
Could it be possible?

4. What do you think?
Megalosaurus Ostrich
Are their skeletons similar?

5. Evolution of giraffes
Two possible theories:
• Lamark
• Darwin
Hello
students!!

6. Giraffe evolution (Lamark)
VIDEO
Long time ago, giraffes had short neck...
They couldn’t reach the highest
leaves…
Little by little their neck became longer

7. Giraffe evolution (Darwing)
1. Long time ago, there were giraffes with
short and long neck. The ones with short
neck couldn’t eat, they were really hungry.
2. Only long-necked giraffes survived.

8. Why do animals change as time goes by?
Animals change to adapt to the environment