So far, the earth is the only planet known to humanity that supports life. The existence and diversity of life makes our planet unique and our lives possible. Humans satisfy their essential needs and get several benefits from the existence of other forms of life on our planet, either directly or indirectly.

Biodiversity is important because it has a major effect on food, oxygen, clean water, soil, timber and other natural products, disease control, medicines, decomposition and recycling, as well as human wellbeing.