8th Class Biology – Semester 2

Title: Biology 8 (జీవశాస్త్రం) – Class VIII, Semester 2.

Introduction: This textbook concludes the Class VIII Biology curriculum by focusing on the physiological changes during human growth and the critical importance of biodiversity and conservation.

Key Points:

• Reaching the Age of Adolescence: Explains the role of the endocrine system and hormones in triggering puberty, including physical changes and reproductive health.

• Conservation of Plants and Animals: Discusses the impact of deforestation and the importance of protected areas like National Parks, Sanctuaries, and Biosphere Reserves to maintain ecological balance.

• Pollution of Air and Water: Identifies the causes of environmental degradation, the greenhouse effect, and methods for conservation and purification of water.