4 Read the text in Ex. 2 again and correct
the false statements.
1 Genghis Khan died in 1224.
He didn't die in 1224. He died in 1227.
2 Genghis Khan lived in Europe.
3 He started the British Empire.
4 He joined only two tribes together.
5 He invaded many parts of Australia.
6 His men buried him in Italy.

Jellyfish - the animals, which are all associated with something shapeless and extremely primitive, but their way of life and physiology is not as simple as it seems at first glance. The word "Medusa" usually implies animal from the class Scyphoid and representatives of the detachment Trailed of class Hydroid type Coelenterates. At the same time, in the scientific environment, this word has a wider interpretation zoologists indicate this term any mobile form coelenterates animals. Thus jellyfish are in close relationship with movable types coelenterates (siphonophorae, sea ships) and seat - corals, undigested, HYDR. In total there are more than 200 species of jellyfish.

Seahorse - funny sea creatures which you must have seen at least in the pictures. Along with relatives - sea needles - seahorses are a family of needle-like fish. In seahorses no scales like other fish. On top of the body of the seahorse is covered with bony armor that protects him from danger. This shell is very solid. This makes a strong skeleton seahorse invulnerable to predators, so this fish is usually nobody touches.The head of the sea horse can move up or down but can not be rotated to the side. But his eyes can move independently while watching the scene in different directions from it.Seahorses can change its color under ambient background from very bright to almost white. This capability helps seahorses protect themselves from predators