Question

20 points 5.34 regions on Earth called biodiversity hotspots contain 50% of the worlds plants and 42% of the worlds vertebrate animals. What are the 2 criteria that are used to determine if an area is a biodiversity hotspot? Ex. Gallapagos Islands, Madagascar, Central/Meso America, California coast, Hawaii, Puerto Rico and other regions.
a. it must have 500 endemic species of plants and lost 50% of its habitat .b. it must have 1000 endemic species of plants and lost 25% of its habitat
.b. it must have 2000 endemic species of plants and lost 90% of its habitat O d..b. it must have 1500 endemic species of plants and lost 70% of its habitat O e.
b. it must have 2500 endemic species of plants and lost 40% of its habitat​

Answer 1

The biodiversity must have 1500 endemic species of plants and lost 70% of its habitat.

Criteria for biodiversity hotspot

The 2 criteria that are used to determine if an area is a biodiversity hotspot is the number of species of vascular plants and lost percentage of primary vegetation.

A biodiversity is said to be biodiversity hotspot, it must meet two strict criteria: First it contain at least 1,500 species of vascular plants found and have lost at least 70 percent of its primary native vegetation.

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Answer 2

A hotspot is a region rich in native endemic species, and facing habitat destruction. To determine if an area is a biodiversity hotspot it must have 1500 endemic species of plants and lost 70% of its habitat.

What are the biodiversity hotspot?

The hotspots are those regions over the planet rich in native species and threatened by habitat loss.

The actual extinction rate is very high and keeps rising every year due to socio-economic development -a very controversial term- and human impacts.

Hotspots are classified according to their endemic species and their threatened state.

These areas must have at least 1,500 species of vascular endemic species of plants, and they must have lost over 70% of their original habitat, which reflects a high threat degree for its biodiversity.

Hotspots can be found in different habitats such as rain forests, Mediterranean areas, wetlands, among others.

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