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Don Bosco

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Biodiversity is the degree of variation of life forms within a given ecosystem, biome, or an entire planet. Biodiversity is a measure of the health of ecosystems. Greater biodiversity implies greater health. Biodiversity is in part a function of climate. In terrestrial habitats, tropical regions are typically rich whereas polar regions support fewer species.
Rapid environmental changes typically cause extinctions. One estimate is that less than 1% of the species that have existed on Earth are extant.[1]
Biodiversity
biodiversity is divided into three, phenotypic, genoti, environmental

Ecological diversity refers to the sum of the different types of environment or Ecosystem present in a region or the habitat which is the sum total of the climate, vegetation and geography of a region.
Ecosystem is a unit of the biosphere in which there is an interaction between the living and nonliving factors so as to maintain a continuous flow of energy. It is a structural and functional unit of a biosphere. There are several kinds of habitats or ecosystems around the world. The variety of diversity of species in an ecosystem is influenced by the ecosystem it self.
Examples of ecosystems: Grass land, wet land, desert, aquatic ecosystem etc.
Species diversity is the variety of different species in a given area. It is very difficult to estimate the different species in a given area. Most of the species are found near the equator and a few at the poles.
Genetic Diversity may be defined as variation in genes with a particular species. It refers to the heritable variation. Sexual reproduction play an important role genetic diversity. A species having more genetic diversity can adapt better to the changed environmental conditions. Threats to biodiversity Extinction of Species

Since the planet came into existence, it has been subjected to five mass extinctions, which

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