Week 6: Extinct and endangered species and causes

This lecture explains

  • the difference between threatened, endagered and extinct species. 
  • Difference between endemic, exotic and native species
  • causes of extinction and endangerement

 

For understanding of this lecture, please watch following videos

https://www.youtube.com/watch?v=ptXexRgCfQE

https://www.youtube.com/watch?v=drhpKYeqJ4k

https://www.youtube.com/watch?v=lxjCbYlnwSo