The awareness of protecting natural life increased after great harmful consequences that appeared since the mid-twentieth century. As each species of the plant gets extinct, 30 species of animals that rely on it as...
The extinction Extinction is the continuous decrease without compensation in the number of a certain species of the living organisms until all the members of the species die out or it is the dying...
Suitable conditions for the formation of fossils The organism’s body must be buried immediately after death in a medium that preserves it from decomposition, The organism must have a hard skeleton, A suitable medium...
Fossils Fossils are the traces and the remains of the living organisms which are preserved in the sedimentary rocks, The traces of once old living organisms indicate their activity during their life and the...
