IGNOU MED 6 2018 - What are the causes of extinction of species? Discuss briefly.

Question

What are the causes of extinction of species? Discuss briefly.

09 Mar 2018

Answer :

Word Count : 311

As long as species have been evolving, species have been going extinct. It is estimated that over 99.9% of all species that ever lived are extinct. The average lifespan of a species is 1–10 million years,[23] although this varies widely between taxa. There are a variety of causes that can contribute directly or indirectly to the extinction of a species or group of species. "Just as each species is unique", write Beverly and Stephen C. Stearns, "so is each extinction ... the causes for each are varied—some subtle

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