Introduction

Ecology is a common word that we come across in daily life in reference to many aspects generally but specifically from environment perspective. In general, it is a word that roots from Greek origin. The Greek word “olkos” means the “house” where “logy” means “The Science of” or precisely “the study of”.

If we look at the literal meaning, it is the study of ‘earth’s household’. The members of this household include the animals, plants, insects, micro-organisms and humans that live together and interdependent to each other. However it is to be noted that earth also comprises of seas, ocean, land, air and freshwater resources, so ecology is the ‘study of structures and functions of nature’. This definition is more comprehensive in a sense that mankind is the part of nature.

Another more comprehensive definition may be; “totality of relationships between organisms and environment is called as ecology. From human perspective, it studies the relations between the mankind with its organic as well as inorganic factors to live on earth and to run his livelihoods and marinating the socioeconomic affairs.

The factors that are studied in combination with human interaction to them are not limited but include the following;

• Soil
• Animals
• Fire
• Water
• Light
• Temperature
• Atmosphere
• Non-green plants
• Green plants
• Gravity

This shows that in ecology, the scientist learns how the earth and life are interacting with each other. It also includes the study of behavior of ‘life’ in interacting with the other factors of ecology to sustain itself in a comfortable environment.

It is also important while studying ecology, one should not forget to learn the other aspects related to ecology especially the ‘balance’ that should be prevail among various factors of ecology.

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