Question:

The extinction of passenger pigeon was due to

Updated On: Jul 5, 2022
  • Increased number of predatory birds
  • Over-exploitation by humans
  • Non-availability of food
  • Bird flu virus infection
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The Correct Option is B

Solution and Explanation

Passenger pigeons (Ectopistes migratorious) were once one of the most abundant birds on our planet, living in United States. But hunting on a very massive scale as well as deforestation, lead to their extinction. Many cruel ways were used for their hunting. The last individual of this species died in 1914 in Cincinnati Zoo.
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Notes on Biodiversity and Conservation

Concepts Used:

Biodiversity and Conservation

The term ‘biodiversity’ is derived from the two words- ‘bios' which means life and ‘diversity’ i.e, differentiation or variation. Edward Wilson, the sociobiologist was the first to popularise the term ‘biodiversity’ in the year 1992. The term implies the occurrence of various plants and animals along with their variants such as biotypes, ecotypes and genes on earth. In our biosphere, the immense diversity or heterogeneity remains not only at the species level but also, at every level of biological organization that ranges from macromolecules in the cells to biomes.

Biodiversity and Conservation is a topic covered under the fifteenth chapter and Unit 5 of NCERT class 12 biology.