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12th ncert : loss of biodiversity with examples of extinct species continuation
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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
Pursuing MSc (botany, Cytogenetics), Mumbai University. Youtuber#sruthipillai. Work as a Biofaculty @MtEducare (reputed institute) Mumbai

U
Unacademy user
continue uploaded videos sir
Ankush Saxena
5 months ago
Plz wait of some time
JKYADAV
5 months ago
ok🙏
JKYADAV
5 months ago
jrf me kitna paisa milta hai sir
absolutely right 👏😄
I really appreciate the time taken by you to comment 😃😇
well taught
Thank you so much Ashu😃😄 Glad you liked it 😇
  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. Some examples of recent extinctions... Dodo(Mauritius) Quagga(Africa) Thylacine(Austral'


  6. Some examples of recent extinctions... Steller's sea cow(Russia) 3 subspecies Bali, aenaspian


  7. 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


  8. v Three subspecies of tigers: Bali, Java, and Sumatran tigers. SANDARER BGAWAN BRUNE ALAYSIA PALAU MALAYSIA Celeber Sea Kuala SINGAPORE V The Bali tiger ws Sumatra Kalimantan extinct in the 1930s and Java tiger in 1970s. reater Sunda Islands 0 JAKARTAsJava Arafura S Lesser Sunda Islands DIA N O C EA N AIICTRAI 1 V Today, fewer than


  9. 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


  10. Disappearance of 27 species in last twenty years More than 15,500 species world wide facing the threat of extinction


  11. 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.


  12. Habitat loss and fragmentation Organisms that require large territories are badly affected Most important cause driving species to extinction Eg- Tropical rain forest From 14% forest covering to 6% forest covering HABITAT LOSS AND FRAGMENTAT ION Migratory habits are badly affected Pollution being the cause of degradation of many habitats


  13. Jammu & Kashmir CHINA hal Pradesh PAKISTAN TIBET Arunachal Pradesh Punja Uttaranchal Sikkim Del Ullar Pradesh Rajasthan ssam Bihar Manipur MeghalayaM Gujarat Madhya Pradesh oram West Bengal Tripura BAY O F BENGA L Orrisa Maharastra ARABIAN Andhra Pradesh SEA LEGENDS Goa Open Forest Dense Forest arnataka Tamil Pondicherry Nadu Kelala


  14. Nigeria Coast /Ghana Gabon Democratic Republic of Congo EUROPE NORTH AMERICA 84 ERIC SOUTH:AMERICA MRE USTRALIA


  15. Several species of toucans, parrots and other tropical birds of the South and Central American rainforests are threatened with extinction The harpy eagle, one of the largest known eagle species worldwide, thrives in tropical rainforest lowlands from southern Mexico to eastern Bolivia Habitat loss also threatens thousands of migratory bird species. Tennessee warbler Yellow warbler


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