Zoology Seminar 2011

ZOOLOGY SEMINAR By Watson & Crick group Std XII.A

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Biological diversity - or biodiversity - is a term we use to describe the variety of life on Earth. It refers to the wide variety of ecosystems and living organisms: animals, plants, their habitats and their genes

LEVELS OF BIOLOGICAL CONSERVATION ,[object Object],[object Object],[object Object]

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Biodiversity supports many ecosystem services that are often not readily visible. It plays a part in regulating the chemistry of our atmosphere and water supply. Biodiversity is directly involved in water purification, recycling nutrients and providing fertile soils.

Valuing Biodiversity ,[object Object],[object Object]

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Non-use values ,[object Object],[object Object]

HOW MANY SPECIES ARE THERE ON EARTH? ,[object Object]

HOW MANY SPECIES ARE THERE IN INDIA? 250,000(12) 15,000(6) Flowering Plants 21,730(11) 2546(5) Fishes 4,522(10) 197(4) Amphibians 6,550(9) 408(3) Reptiles 9,702(8) 1224(2) Birds 4,629(7) 350(1) Mammals Number of species in the world (SW) Number of species in India (SI) Group

THE IMPORTANCE OF SPECIES DIVERSITY TO THE ECOSYSTEM ,[object Object]

PATTERNS OF BIODIVERSITY ,[object Object]

Habitat degradation ,[object Object]

Over-exploitation ,[object Object]

LOSS OF BIODIVERSITY ,[object Object]

CAUSES OF BIODIVERSITY LOSSES ,[object Object]

WHY SHOULD WE CONSERVE BIODIVERSITY? ,[object Object]

Seven steps to save biodiversity ,[object Object]

HOW DO WE CONSERVE BIODIVERSITY? ,[object Object]

SACRED GROVES ,[object Object]

Organizations came forward for the conservation of biodiversity

How beautiful our earth is when biodiversity is conserved...?

Zoology Seminar 2011

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