Clear cutting removes all trees from an area. Clear cutting i a method of harvesting timber, which involves cutting all the tress in a area at one time. It is used as a method of regenerating or rejuvenating certain kinds of trees that cannot tolerate shade. It can be done without significant erosion or sedimentation if roads are planned and built correctly using accepted best management practices to protect streams.
Because natural selection is caused so that an organism can adapt and better survive their environment. They are involved in the formation of fossils because organisms that die are buried in sediment and become fossils.