Question

3. What do you understand by the term ecological balance?
4. Why should we protect our environment?​

Answer 1

Explanation:

1. Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them.
2. BECAUSE IT IS ONE IMPORTANT FOR RESOURCE WHICH FULLFILLS OUR BASIC NEEDS.

Answer 2

Answer:

The balance of nature is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis, which is to say that a small change will be corrected by some negative feedback that will bring the parameter back to its original "point of balance" with the rest of the system.

Explanation:

Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. They provide raw materials and resources for medicines and other purposes. They are at the foundation of all civilisation and sustain our economies.