Which one of the following is not a characteristic feature of biodiversity hotspots?
A
Large number of exotic species
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B
Destruction of habitat
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C
Abundance of endemic species
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D
Large number of species
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Solution
The correct option is A Large number of exotic species Biodiversity hotspots are regions on Earth with a high density of biodiversity especially containing species that are endemic to that region. These hotspots are threatened by human habitations. Hotspots are irreplaceable as they are the richest source of vulnerable species. These hotspots make up 2.3% of Earth’s land surface and they have been identified, by eminent conservationists, as sites that need maximum protection. This type of conservation is an in situ conservation method
A particular region is designated as a hotspot when
It has endemic species of at least 1,500 vascular plants.
It has to be threatened, usually due to habitat destruction. In other words it must have 30% or less of its original vegetation.