Question

how has human activity disturbed the ecosystem​

Answer 1

Answer:

Excessive cutting of tress for settlement,housing, industrial development and agriculture have led to decrease in land and forested area.

pollution caused by human by burning crackers and fossil fuels pollute the environment.

Hunting in large scale by greedy hunters have also lead to extinction of some species.

Answer 2

DISTURBANCES IN NATURAL ECOSYSTEM

Growing population and human activities are causing great disturbances. The balance in natural ecosystem is being affected in the following ways:

• Human beings alter natural environment to meet their own needs.

• Forests are cleared for agriculture, industries and settlements.

• Exotic species have started proving harmful to native plants and animals.

• Pollution and Global Warming have affected the ecosystem today. It is further affecting natural systems through Global Warming.

• Poaching and hunting have reduced the number of animals.

$\bigstar\boxed { \bf Did\: You\: Know?}$

The first Earth Summit held at Rio de Janeiro in Brazil, in 1992,and the second Earth Summit held at Johannesburg in South Africa, 2002 highlighted the need to protect the ecosystem.