Which statement best describes the concept of biodiversity?Biodiversity refers exclusively to the variety of animal species in a specific region.Biodiversity is the name given to the variety of ecosystems, species, and genes in the world or in a particular habitat.Biodiversity is another term for ecological succession.

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Which statement best describes the concept of biodiversity?

Biodiversity refers exclusively to the variety of animal species in a specific region.
Biodiversity is the name given to the variety of ecosystems, species, and genes in the world or in a particular habitat.
Biodiversity is another term for ecological succession.

AAll

B2 only

C1, 2

D3 only

Answer:

Biodiversity, short for biological diversity, encompasses the vast array of life on Earth at multiple levels.
It includes ecosystem diversity (the variety of habitats, biotic communities, and ecological processes), species diversity (the number and abundance of different species), and genetic diversity (the variation of genes within a species).
This rich tapestry of life is crucial for the stability and resilience of natural systems.

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Which of the following statements accurately describes the issue of overexploitation of natural resources?

Overexploitation occurs when natural resources are used excessively, often due to high commercial value, without considering the species' population dynamics, reproductive cycles, or size.
The primary driver of overexploitation is always the direct consumption of resources by local populations for subsistence.
Overexploitation issues are limited to plant and animal species and do not affect mineral or water resources.
Sustainable resource management practices inherently lead to overexploitation because they restrict economic growth.

Which regions in India are known for a high concentration of medicinal plant species?

The Eastern Himalayas, Western Ghats, and Andaman & Nicobar Islands are concentrated spots for medicinal plant species.
Medicinal plant species are evenly distributed across all regions of India.
The plains of North India have the highest concentration of medicinal plants.

Which statement best describes the relationship between lake zones and light penetration?

Light penetrates fully to the bottom in all lake zones.
The Littoral Zone receives light to the bottom, while the Open Water Zone does not.
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The Open Water Zone is defined by its complete lack of light.