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12th ncert : loss of biodiversity with examples of extinct species (in hindi)
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This course includes biodiversity and conservation in simple language and in an easy way. It mainly concentrates on beginners to get them with their basics. It also aims to generate interest among the viewers on the topic and also learning with fun.

Pillai Sruthi P Kumar
I am pursuing my MSc in Botany, Mumbai University, Youtuber. I also work as a Bio faculty in Mt Educare (reputed coaching institute) Mumbai

U
Unacademy user
thank u sir...🙏🙏🙏
1. Tropical area remained undisturbed 4 millions of years so more revolutionary time for species diversity 2. also these are predictable and less seasonal and constant environment leads to species diversity
excellent...well answered 😊👏
Mandeep
a year ago
thnx mam its all coz of u
😊😇 it's all Ur dedication Mandeep 😊
Mandeep
a year ago
🙂
Kaziranga National Park - one horned rhinos
Absolutely right 👏😄
Thank you so much for taking your valuable time to respond 😃
awesome creativity
Thank you so much Krishna😄 Glad you liked it 😄 please do rate review and recommend if it helped you... And let me know if you want me to cover any topic...I will be happy to help you 😃😄
  1. Pillai Sruthi P Kumar ' BSc. Botany (graduate) Graduate (Visharad) in Hindustani Classical Mu Trained Bharatnatyam Classical Dancer. A passionate speaker. . A civil service aspirant. Please do rate, review and recommend if you genuinely liked my video...it will definitely make a difference in my life... Follow me through unacademy app for future notifications...


  2. Objective .This course will complete the remaining three chapters (12th ncert) part by part included in the portion of topic ENVIRONMENT' important for GS section of UPSC exam. The main objective is to explain the concepts as simply as possible, to clear the basics, especially focuses on beginners, and tries to generate an interest among viewers by being more creative. Source 12th ncert


  3. Target audience UPSC aspirants .SSC .CDS Railway etc.


  4. HUMAN ACTIVITIES


  5. Loss of biodiversity is the extinction of species (human, plant or animal) worldwide, and also the local reduction or loss of species in a certain hahitat Endangered Animais in India 1. Asian elephant 2. Tiger 3. Great indian one - horned Rhh 4. Asiatic Lion 5. Leopard 6. Snow Leopard 7. Tibetan Antelope


  6. PLANTS ANIMALS CATEGORY Critically endangered nilghiriensis (Pigmy hog) endangered Berberis Sus salvanisus Bentinckia nicobarica Ailurus fulgens (Red Panda) Antilope vulnerable CupressUS cashmeriana cervicapra(Blac k buck)


  7. Is the biological wealth of our planet declining??? Why??? The colonisation of tropical pacific islands by humanS IS said to have led to the extinction of more than 2000 species of native birds. MICRONESIA There are about 25,000 slands in the . Pacific Ocean. The islands MELANESIA entirely within the Pacific Ocean can be divided into three main groups known as Micronesia, Melanesia and Polynesia.


  8. 14 independent developing island nations of the tropical Pacific often with high endemism. V Cook islands V Fiji Papua new guinea Samoa Solomon islands Federated states of V Tonga Micronesia Tuvalu Vanuatu V Kiribati Marshall islands Nauru Niue


  9. Endemism is the ecological state of a species being unique to, a defined geographic location, such as an island, nation, country or other defined zone, the extinction of 784 or habitat type; organisms that are indigenous toeatelbtes, 359 are not endemic to it if they are also found elsewhereplants) in the last 500 According to IUCN Red List (2004) documents species (including 338 invertebrates and 87 years.


  10. Some examples of recent extinctions... Dodo(Mauritius) Quagga(Africa) Thylacine(Austral'


  11. The Invasive Species Council is an Australian environm ental non-governmental organisation Founded in 2002 Objective - to provide a specialist policy and advocacy focus on reducing the threat of invasive species that


  12. V The Caspian Sea is the argest inland body of water in the world RUSSIA aral ra UZBEKIS accounts for 40 to 44% of the total lacustrine waters of the world. Caspian Sea TURKMENISTAN TURKE IRAQ IRAN V The coastlines of the Caspian are e Azerbaijan, Iran, Caspian Sea Kazakhstan Russia, and .Turkmenistan Amazon River


  13. Consequences??? Decline in plant production Lowered resistance to environmental perturbations such as drought Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles.


  14. Causes??? There are 4 major major causes... 'EVIL QUARTET Habitat loss and fragmentation V over - exploitation Alien species invasions VCo - extinctions


  15. THANK YOU SO MUCH FOR WATCHING. HAVEA NICE DAY.