EvolutionEvolution

Animals change in time = EVOLUTION.

Time……

Archaeopteryx (Dinosaur) Birds

Are birds descendants of dinosaurs? Some scientists say YES

What do you think?

Could it be possible?

What do you think?

Megalosaurus Ostrich

Are their skeletons similar?

Evolution of giraffesTwo possible theories:

• Lamark• Darwin

Hello students!!

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

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.

Why do animals change as time goes by?

Animals change to adapt to the environment