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MOUNT TABOR TRAINING COLLEGE
PATHNAPURAM
ASSIGNMENT
SUBMITTED TO
NIMMY VARGHESE
SUBMITTED BY
Topic : Biodiversity
BIODIVERSITY
• Biodiversity is the term used to describe the
variety of all living things or the richness and
variety of life on earth.
• The term biodiversity was coined in 1985.
• It includes the number of different organisms
and their relative frequencies in an
ecosystem.
• It also reflects the organization of organisms
at different levels and holds ecological and
economic significance.
• It provides us with nourishment, housing,
fuel, clothing and several other resources.
• It also extracts monetary benefits through
tourism.
IMPORTANCE OF BIODIVERSITY
Biodiversity and its maintenance are very important for sustaining life on earth.
The importance of biodiversity are:
• Ecological Stability: Every species has a specific role in an ecosystem. They capture and
store energy and also produce and decompose organic matter. The ecosystem supports the
services without which humans cannot survive. A diverse ecosystem is more productive and
can withstand environmental stress.
• Ethical Importance: All the species have a right to exist. Humans should not cause their
voluntary extinction. Biodiversity preserves different cultures and spiritual heritage.
Therefore, it is very important to conserve biodiversity.
• Economic Importance: Biodiversity is a reservoir of resources for the manufacture of food,
cosmetic products and pharmaceuticals. Crops livestock, fishery, and forests are a rich source
of food. Wild plants such as Cinchona and Foxglove plant are used for medicinal purposes.
Wood, fibers, perfumes, lubricants, rubber, resins, poison and cork are all derived from
different plant species. The national parks and sanctuaries are a source of tourism. They are a
source of beauty and joy for many people.
Species diversity
• Species diversity refers to the variety of different types of species found in a particular area. It
is the biodiversity at the most basic level. It includes all the species ranging from plants to
different microorganism.
• No two individuals of the same species are exactly similar. For example, humans show a lot of
diversity among themselves.
Genetic diversity
• Every individual of a particular species differs from each other in their genetic constitution.
That is why every human looks different from each other. Similarly, there are different varieties
in the same species of rice, wheat, maize, barley, etc.
Ecological diversity
• Ecological biodiversity refers to the variations in the plant and animal species living together
and connected by food chains and food webs.
• It is the diversity observed among the different ecosystems in a region. Diversity in different
ecosystems like deserts, rainforests, mangroves, etc., includes ecological diversity
TYPES OF BIODIVERSITY
THANK YOU

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Biodiversity

  • 1. MOUNT TABOR TRAINING COLLEGE PATHNAPURAM ASSIGNMENT SUBMITTED TO NIMMY VARGHESE SUBMITTED BY Topic : Biodiversity
  • 2. BIODIVERSITY • Biodiversity is the term used to describe the variety of all living things or the richness and variety of life on earth. • The term biodiversity was coined in 1985. • It includes the number of different organisms and their relative frequencies in an ecosystem. • It also reflects the organization of organisms at different levels and holds ecological and economic significance. • It provides us with nourishment, housing, fuel, clothing and several other resources. • It also extracts monetary benefits through tourism.
  • 3. IMPORTANCE OF BIODIVERSITY Biodiversity and its maintenance are very important for sustaining life on earth. The importance of biodiversity are: • Ecological Stability: Every species has a specific role in an ecosystem. They capture and store energy and also produce and decompose organic matter. The ecosystem supports the services without which humans cannot survive. A diverse ecosystem is more productive and can withstand environmental stress. • Ethical Importance: All the species have a right to exist. Humans should not cause their voluntary extinction. Biodiversity preserves different cultures and spiritual heritage. Therefore, it is very important to conserve biodiversity. • Economic Importance: Biodiversity is a reservoir of resources for the manufacture of food, cosmetic products and pharmaceuticals. Crops livestock, fishery, and forests are a rich source of food. Wild plants such as Cinchona and Foxglove plant are used for medicinal purposes. Wood, fibers, perfumes, lubricants, rubber, resins, poison and cork are all derived from different plant species. The national parks and sanctuaries are a source of tourism. They are a source of beauty and joy for many people.
  • 4. Species diversity • Species diversity refers to the variety of different types of species found in a particular area. It is the biodiversity at the most basic level. It includes all the species ranging from plants to different microorganism. • No two individuals of the same species are exactly similar. For example, humans show a lot of diversity among themselves. Genetic diversity • Every individual of a particular species differs from each other in their genetic constitution. That is why every human looks different from each other. Similarly, there are different varieties in the same species of rice, wheat, maize, barley, etc. Ecological diversity • Ecological biodiversity refers to the variations in the plant and animal species living together and connected by food chains and food webs. • It is the diversity observed among the different ecosystems in a region. Diversity in different ecosystems like deserts, rainforests, mangroves, etc., includes ecological diversity TYPES OF BIODIVERSITY