In this post, I am sharing the Class 12 Biology Chapter 27 Notes PDF for the students of Intermediate Part 2. This chapter’s name is Man and his Environment. Students can download the Class 12 Biology Chapter 27 Notes PDF on their laptops or mobile. These Biology Notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Kahn Board, and Sahiwal Board. Here are the complete FSC 2nd Year Biology Notes PDF chapters.
FSC Part 2 Biology Chapter 27 Notes – Man and his
Environment
Definition:
Environment is a treasure of all types of resources essential to maintain life on earth. Environment is a direct or indirect source for food, shelter, clothing, fuel etc. for humans.
Primitive Human Being:
At the past humans fuctioned as natural predators and gerbivores.
Progress in Agriculture:
With the adoption of agriculture, some 10,000 years ago, conversion of land to agricultural production began to incease to provide food to growing human population. Natural diversity was replaced by a few useful species. In this way pattern of food web was changed by eliminating all those species species that would subtract or share the energy resources with man.
How to Download 2nd year Biology Chapter 27 Notes Man and his Environment
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