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Dodo, passenger pigeon and Steller's sea...

Dodo, passenger pigeon and Steller's sea cow became extinct in the last 500 years due to

A

habitat destruction

B

over-exploitation

C

bird-flu virus infection

D

pollution

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The correct Answer is:
B
Excessive exploitation of a species, whether a plant or animal reduces size of its population such that it becomes vulnerable to extinction. Dodo, passenger pigeon and Steller's sea cow have become extinct in the last `500` year due to over-exploitation by humans.
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How many species became extinct in the last 500 years

Many species of animals have become extinct during the las.t hundred years.

Indicate whether the following statements are true or false. Correct each faqlse statement to make it true. (i) Mass extinction is the extermination of a large number of species due to catastrophers. (ii) IUCN Red list (2004) documents the extinction of 359 animal species. (iii) Quagga from Africa and Stellers sea cow from America have been extinct in last few years. (iv) Anthropogenic extinction is 10-100 times more faster than the rate of natural extinctions.

Read the following text and answer the following question on the basis of the same : Excessive exploitation of species , whether a plant or animal reduces the size of its population , so it becomes vulnerable to extinction . Such as Dodo and passenger pigeon have become extinct due to over exploitation by humans . Thus the world is facing accelerated rates of species extinctions , largely due to human interference . Assertion : Pollution reduces species biodiversity . Reason : Spillover of oil in sea cause death of serval marine animals .

Read the following text and answer the following question on the basis of the same : Excessive exploitation of species , whether a plant or animal reduces the size of its population , so it becomes vulnerable to extinction . Such as Dodo and passenger pigeon have become extinct due to over exploitation by humans . Thus the world is facing accelerated rates of species extinctions , largely due to human interference . Factors which make species susceptible to extinction are :

Read the following text and answer the following question on the basis of the same : Excessive exploitation of species , whether a plant or animal reduces the size of its population , so it becomes vulnerable to extinction . Such as Dodo and passenger pigeon have become extinct due to over exploitation by humans . Thus the world is facing accelerated rates of species extinctions , largely due to human interference . _________ is the first major cause of species extinction .

Read the following text and answer the following question on the basis of the same : Excessive exploitation of species , whether a plant or animal reduces the size of its population , so it becomes vulnerable to extinction . Such as Dodo and passenger pigeon have become extinct due to over exploitation by humans . Thus the world is facing accelerated rates of species extinctions , largely due to human interference . Identify a cause of biodiversity loss that is not included in evil quartet ?

How many species are documented to be extinct in last 500 years by IUCN Red List, 2004?

NCERT FINGERTIPS-BIODIVERSITY & CONSERVATION-Biodiversity & Conservation
  1. The term ''the evil quartet'' is related with four major causes of

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  2. Read the given statement and select the correct option. Statement 1...

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  3. Dodo, passenger pigeon and Steller's sea cow became extinct in the las...

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  4. An exotic species that is introduced to a new area, spreads rapidly an...

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  5. Which of the following fish led to the extinction of an ecologically u...

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  6. Introduction of Nile Perch in lake Victoria of South Africa resulted i...

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  7. The exotic species, which when introduced in India became notorious we...

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  8. Which one of the following fisg is being illegally introduced for aqua...

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  9. Introduction of alien species into new area poses a threat to extincti...

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  10. There are four major causes of accelerated rates of species extinction...

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  11. Biodiversity loss occurs due to (i) habitat loss and fragmentation ...

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  12. When a species becomes extinct, the plant and animal species associate...

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  13. The reason behind conserving biodiversity have been grouped into which...

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  14. Match column I with column II and select the correct option from the g...

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  15. More than 25% of drugs are derived from plants. What kind of benefit d...

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  16. is the exploration of molecular, genetic and species-level diversity f...

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  17. Amazon rainforests are considered as 'lungs of the planet' as they con...

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  18. The narrowly utilitarian arguments for biodiversity conservation inclu...

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  19. Broadly utilitarian' argument for the conservation of biodiversity do...

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  20. Waking up to a bulbul's song in the morning is related to

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