Question

loss of biodiversity
class11​

Answer 1

Answer:

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• About three-fourth of the human population resides in the Tropical regions which occupy only about one-fourth of the total area of the world.

• The tropical rain forests contain 50 percent of the species on the earth.

• The excessive population is one of the causes that have lead to biodiversity loss that has resulted in the rampant exploitation of resources and deforestation.

• The destruction of the Tropical regions has resulted in the loss of natural habitats which is catastrophic for the whole biosphere.

• Natural calamities like forest fires, droughts, floods, volcanic eruptions, earthquakes, etc. cause damage to both flora and fauna of the earth.

• Pesticides and other pollutants like toxic heavy metals and hydrocarbons destroy the feeble and sensitive species.

• Loss of biodiversity in an area may cause

• Decline in plant production

• Lowered resistance to environmental perturbations

Increased variability in definite ecosystem developments such as water use, plant productivity, and disease cycles and pests.

Answer 2

Answer:

Ans 1 ) Biodiversity loss includes the extinction of species worldwide, as well as the local reduction or loss of species in a certain habitat, resulting in a loss of biological diversity.

Ans 2) Likewise, biodiversity loss describes the decline in the number, genetic variability, and variety of species, and the biological communities in a given area. This loss in the variety of life can lead to a breakdown in the functioning of the ecosystem where decline has happened.

Explanation:

I have given two answer any one you can write ok.

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