Question

conservation of plants and animals summary class 8​

Answer 1

Answer:

notes

1. EXTINCTION extinction js when species is completely wiped out from the Earth

Once the last living individuals of species dies the species is set to be extinct.

2. DEFORESTATION. cutting down of trees on a large scale is known as deforestation.

3. CONSEQUENCES OF DEFORESTATION.

defrestation causes air pollution by increasing CO2 in atmosphere.

it leads to soil erosion which may change into desertification.

it also disturbs the water level due to which fluds and droughts occur.

it also leads to uneven climate change.

4. DROUGHTS. droughts is the lack of water in an area. Droughts can happen due to lack of rainfall.

5. DESERTIFICATION. formation of a desert by erosion of vegetation due to harsh weather is called desertification.

Human activities like deforestation and improper irrigation are also responsible for desertification of terrains.

6. BIOSPHERE. It is a part of earth where plants and animals are found.

It consists of lithosphere hydrosphere and atmosphere.

7. PRODUCTED AREAS. These areas of where hunting poaching grazing of cattles or cutting down of trees are strictly prohibited are known as producted areas.

These areas are divided into three major parts---

1 NATIONAL PARK. Areas where for wildlife where they are free to use the natural resources.

In india there are more than 100 national parks.

2 WILDLIFE SACTUARY. Areas where animals are protected from any sort of disturbance to them or their habitats.

In India there are more than 500 wildlife sanctuaries.