Слайд 9
Ages ago, the penguins were about 2 metres
tall and could fly.
Слайд 10
Today their wings are short and useless for
flying.
Слайд 11
It happened because they had very few enemies.
The penguins lived on the territories where there was
practically nobody dangerous for them. So they could safely spend all the time on land or in the water. They stopped using their wings. In time those wings became very small, until today they are useless for flying.
Слайд 12
Penguins are fantastic swimmers. They also developed a