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(D) The correct option is $D$. Biodiversity hotspots are biogeographic regions characterized by high levels of biodiversity and significant threats of

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Large number of exotic species

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(D) The correct option is $D$. Biodiversity hotspots are biogeographic regions characterized by high levels of biodiversity and significant threats of habitat destruction. The concept was introduced by $Dr. Norman Myers$ in $1988$. To qualify as a biodiversity hotspot, an area must meet two strict criteria: $1$. It must contain at least $1,500$ species of vascular plants as endemics (i.e., species found nowhere else on Earth). $2$. It must have lost at least $70\%$ of its primary native vegetation. Therefore, a large number of exotic (non-native) species is not a defining characteristic of a biodiversity hotspot; rather, the focus is on the high density of endemic species and the urgent need for conservation due to habitat loss.

Select the option from the following which is not a major characteristic feature of biodiversity hotspots.

Similar Questions

Which of the following is an example of $ex-situ$ conservation?

The World Summit on Sustainable Development was held in:

Choose the correct option for sacred groves.
$(I)$ Khasi and Jaintia hills in Meghalaya
$(II)$ Aravalli hills of Rajasthan
$(III)$ Western Ghat regions of Karnataka and Maharashtra
$(IV)$ Chanda and Bastar area of Madhya Pradesh

How many wildlife sanctuaries are there in India?

$A$: Pristine forests are among $in-situ$ conservation strategies.
$R$: These are sacred groves where biota is protected on-site.

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