Class 12 Biology Organisms and Populations Organisms and population

Organisms and population

Different organisms are adapted to their environments in terms of both survival and reproduction.

Rotation of earth around the sun and the tilt if its axis cause annual variations in the intensity and durations of temperature which results into distinct seasons.

Variations of temperature along with annual variations in precipitation such as rain and snow form major biomes such as desert, rain forest and tundra.

Regional and local variations such as temperature, water. Light and within each biome lead to the formation of a wide variety of habitats.

Both abiotic and biotic components characterize the environment.

Fig. desert, rain forest, tundra  

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