Cockroaches exist on earth for over 300 million years in its unaltered form, talking about this fossil cockroaches and well sealed several million years in amber.
The scientists found:
1) There are more than 4500 species; particularly numerous in the tropics and subtropics.
2) Cockroaches are considered harmful insects that carry the infection and spoil the plants.
3) Cockroaches are one of the hardiest insects: they can live a month without food and water; they can not breathe to 45 minutes so as not to evaporate water in the body without the possibility of filling it; they can live without a head a few weeks, then die of hunger.
4) Cockroaches are considered nocturnal creatures, but they are not afraid of sunlight.
5) Cockroaches are afraid of people.
6) One of the main reasons why we nasty cockroaches - because they are everywhere and striking survival.
Cockroaches die on his back
If a cockroach falls on his back, (for example, on the floor), it can not tip over himself and dies. If it falls somewhere in the land, there he can help leaves, grass, twigs, to catch and to be able to roll over. Therefore, funds for the destruction of pesticides contain substances paralyzing insect muscles.
Headless cockroaches.
Cockroaches can live without a head. This suggests that they do not breathe a nose like a man and other animals and insects, they breathe in all body cells. Also, no blood in insects, and hence there is no pressure in the body. Cockroaches can survive a long time without a head.
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