10th Class Biology Lecture Unit:16 Part:2 (PTb Syllabus)

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9th and 10th class English, Biology, Physics, Chemistry, and Computer Science Lectures for Punjab Boards. Class 9th 10th , IX/SSC-1/Matric. These Lectures are per the Latest Syllabus/Course Prescribed by the Boards of Intermediate and Secondary Education (BISEs) of Punjab Province and prescribed by the Department of Education, Punjab Government, Lahore.

In this video,

I covered these things,

Lecture

Unit:16

Part:2

Man and His Environment,

16.3 Interactions In Ecosystems,

16.3.1 Competition,

16.3.2 Predation,

16.3.3 Symbiosis,

a. Parasitism,

b. Mutualism,

c. Commensalism,

16.4 Ecosystem Balance And Human Impact,

1. Global Warming,

Greenhouse Effect,

2. Acid Rain,

3. Deforestation,

4. Overpopulation,

5. Urbanization,

16.5 Pollution; Consequences And Control,

1. Air Pollution,

Effects of Air Pollution,

16.6 Conservation Of Nature,

Plans for the Conservation of Nature,

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