8th Science NCERT Chapter 5

Based on the content of the chapter "Conservation of Plants and Animals," here are the important topics students should study along with brief summaries for each topic:

1. Deforestation and Its Causes:

– Deforestation involves clearing forests for various purposes like cultivation, construction, and wood usage.

– Deforestation reduces rainfall and can lead to floods due to changes in the soil properties8.

2. Consequences of Deforestation:

– Deforestation leads to increased temperature, pollution, carbon dioxide levels, and disturbance in the natural balance.

– Groundwater levels decrease, and there is a risk of natural calamities like floods and droughts8.

3. Conservation of Forest and Wildlife:

– Understanding the importance of conserving forests and wildlife to prevent adverse effects like habitat destruction and biodiversity loss.

– Establishing protected areas like wildlife sanctuaries, national parks, and biosphere reserves to safeguard flora and fauna8.

4. Biosphere Reserve:

– Exploring biosphere reserves as areas designated for conserving biodiversity, supporting the unique plant and animal life.

– Pachmarhi Biosphere Reserve example featuring a national park and two wildlife sanctuaries for protection8.

5. Flora and Fauna:

– Identifying flora and fauna specific to different regions, appreciating the diverse plant and animal life.

– Understanding the importance of respecting the habitats of animals and plants to maintain ecological balance8.

6. Endemic Species:

– Learning about endemic species that are unique to certain regions and the importance of preserving them to prevent extinction.

– Exploring the biodiversity of different areas and recognizing the significance of each species present8.

These topics provide a comprehensive overview of the chapter on the conservation of plants and animals, covering aspects like causes of deforestation, its consequences, conservation methods, and the importance of preserving biodiversity.