Advertisements
Advertisements
प्रश्न
The extinction of passenger pigeon was due to ______.
विकल्प
Increased number of predatory birds.
Over exploitation by humans
Non- availability of the food
Bird flu virus infection
Advertisements
उत्तर
The extinction of passenger pigeon was due to over exploitation by humans.
APPEARS IN
संबंधित प्रश्न
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
Which among the following is/are the type( s) of extinction of species?
Which among the following is a TRUE statement?
Which among the following is an exception to invasive species?
Which among the following is an in situ conservation method for national genetic resources?
Which one of the following is a natural cause of extinction of flora and fauna?
What is common to lantana Eichhomia and African catfish?
Which of the following are major causes of species losses in a geographical region?
IUCN means
What could have triggered mass extinctions of species in the past?
Explain the concept of "co-extinction" by taking two examples.
How can you, as an individual, prevent the loss of biodiversity?
How many Biodiversity hotspots have been identified around the world?
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
Which one of the following groups faces maximum threat of extinction?
The sixth extinction in progress currently is different from all previous extinctions on earth as it is ______.
Give definitions of Invasive species.
