EVIDENCE OF EVOLUTION

Evidences from Biogeography The study at the geographic distribution of plants and animals is called biogeography. Biogeographers explain the reason of distribution of organisms in different regions. Biogeographic studies show…

WIND

Air in motion is called wind. It can circulate gases, water vapours and small soil particles. The action of wind is an ecological factor. Its affect may be direct or…

WATER

Water is a most important environmental factor. It is essential for all life processes. The living cells have about 80% water. It is essential for the maintenance of turgidity of…

DARWINISM

Charles Robert Darwin (1809— 1882) was born on February 11 1809. His lather as a physician. Dan' in collected dogs and hunting birds during his youth. These activities reduced his…