Ecology is the study of the relationship between living organisms and the environment. It also deals with the interaction of living organisms with each other.

Synecology is the study of the group of population, while Autecology is the study of the individual or single species under certain environmental condition.

Microclimate refers to the climatic condition of the immediate surroundings of plant and animals while Macroclimate is the climatic pattern over a large area or on local, global, and regional level.

Climatic zones are defined on the basis of variation in mean temperature along the latitude like tropical, subtropical, arctic, and temperate.

Thermosphere extends 1000 km above the earth’s crust. Ionosphere is a dense band of charged particles, specifically found in the thermosphere.