Question

Describe the various threats to biodiversity.

Answer 1

Biodiversity:

1. The presence of different kinds of organisms on earth is called biodiversity.
2. It refers to diversity in the species and ecosystem and their interaction with each other.
3. It plays a main role in maintaining the balance of the Earth.
4. It consists of three types i.e genetic diversity, species diversity and ecological diversity.

Threats to biodiversity:

1. Habitat destruction: The destruction of habitat leads to the reduction of food sources, damage to the organisms and finally it results in the extinction of species.
2. Global climate change: The change in the abiotic factors like the temperature also affects the biotic factors.
3. Habitat fragmentation: Due to habitat fragmentation there are disturbances in the natural habitat of some species.
4. Pollution: The introduction of pollutants into the air, soil as well as in water leads to the degradation of air, soil and water respectively.
5. Alien species: The introduction of foreign species leads to the reduction in the natural and indigenous species.