Distribution and Importance Biodiversity

Distribution of Biodiversity:

Biodiversity is not distributed evenly on earth. Biodiversity found on earth today is the result of 4 billion years of evolution. All life consisted of bacteria and similar unicellular organisms.

1. Tropical Regions:

Biodiversity is the richest in the tropical region.

2. Temperate Regions:

Temperate regions also have many species.

3. Polar Regions:

Few species are present in polar regions. Biodiversity found on earth today is the result of 4 billion years of evolution. All life consisted of bacteria and similar unicellular organisms.

Importance of Biodiversity:

Source of Food:

Biodiversity provides food for humans.

Source of Drugs:

A significant proportion of drugs is derived directly or indirectly from biological sources.

Source of Industrial Materials:

A wide range of industrial materials such as building materials, fibers, dyes, resins,gums, adhesive, rubber, and oil are derived directly from biological resources.

Maintenance of Ecosystem:

Biodiversity plays an important role in making and maintaining ecosystems. It plays a part in regulating the chemistry of our atmosphere and water supply.