explain the biodiversity present in india.
answer for class 9
Answers
Answer:
Biodiversity is the variation among living organisms from different sources including terrestrial, marine and desert ecosystems, and the ecological complexes of which they are a part.”
Explanation:
Biodiversity describes the richness and variety of life on earth. It is the most complex and important feature of our planet. Without biodiversity, life would not sustain.
The term biodiversity was coined in 1985. It is important in natural as well as artificial ecosystems. It deals with nature’s variety, the biosphere. It refers to variabilities among plants, animals and microorganism species.
Biodiversity includes the number of different organisms and their relative frequencies in an ecosystem. It also reflects the organization of organisms at different levels.
Biodiversity holds ecological and economic significance. It provides us with nourishment, housing, fuel, clothing and several other resources. It also extracts monetary benefits through tourism. Therefore, it is very important to have a good knowledge of biodiversity for a sustainable livelihood.
Answer:
India is a vast country with variety of life forms. The various climatic and relief factors have contributed to its diversity.
India is rich in biodiversity it is one of the twelve mega bio-diverse countries of the world.
It has 47,000 species of plants including 15,000 flowering plants.
India also has many species of non-flowering plants.
Besides its floral diversity, India is also home to about 90,000 other species of animals.
India also has rich variety of fishes (about 2546 species) in its fresh and marine water.
India has about 2,000 species of birds, It also has 5-8% of world's amphibians, reptiles and mammals.