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Which species of fauna are found in an area separated by natural or geographical barriers?
[2010 (T-1)]
- a)Rare
- b)Extinct
- c)Vulnerable
- d)Endemic
Correct answer is option 'D'. Can you explain this answer?
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Which species of fauna are found in an area separated by natural or ge...
Species of Fauna Found in Areas Separated by Natural or Geographical Barriers
When an area is separated by natural or geographical barriers, it can lead to the evolution of unique species of fauna. These species are known as endemic species, meaning they are found exclusively in that particular area.
Examples of fauna species that can be found in areas separated by natural or geographical barriers include:
- Birds: Some bird species may be endemic to specific islands or mountain ranges due to isolation caused by barriers such as oceans or high altitudes.
- Mammals: Certain mammals may have evolved separately in isolated areas, such as marsupials in Australia or lemurs in Madagascar.
- Reptiles: Islands can be home to unique reptile species due to their isolation, such as the Galapagos tortoise or Komodo dragon.
- Insects: Insects, such as butterflies or beetles, can also show high levels of endemism in isolated areas.
- Amphibians: Isolated habitats like rainforests or mountain ranges can harbor endemic amphibian species.
- Fish: Bodies of water separated by geographical barriers can lead to the development of unique fish species, such as cichlids in African lakes.
- Invertebrates: Various invertebrate species, including crustaceans, mollusks, and arachnids, can also exhibit endemism in isolated areas.
These species have adapted to their specific environments over time and developed unique characteristics, making them highly specialized and often vulnerable to changes in their habitats. It is important to conserve these endemic species as they play crucial roles in maintaining the ecological balance of their respective ecosystems.
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Which species of fauna are found in an area separated by natural or geographical barriers?[2010 (T-1)]a)Rareb)Extinctc)Vulnerabled)EndemicCorrect answer is option 'D'. Can you explain this answer?
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