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Organisms and Population

At Saralstudy, we are providing you with the solution of Class 12th biology Organisms and Population according to the latest NCERT (CBSE) Book guidelines prepared by expert teachers. Here we are trying to give you a detailed answer to the questions of the entire topic of this chapter so that you can get more marks in your examinations by preparing the answers based on this lesson. We are trying our best to give you detailed answers to all the questions of all the topics of Class 12th biology Organisms and Population so that you can prepare for the exam according to your own pace and your speed.

Earth is a fascinating planet with diversity of organisms, their habitat, body structure, all physiological activity directly or indirectly depends on their environment. Earths tropic level have maximum number of diversity due to no seasonal change, climate remains constant whereas polar regions have minimum diversity due to very colder areas. Organisms adapted themselves according to their environment in polar regions animals have short external ears and limbs to reduce heat loss they undergo hibernation. In hotter climates the organism like snail, frog etc undergo aestivation so as to cope with the environment condition and continue the life. Organism interact with other for their requirement. This interaction is the basis of ecological balance on our planet.

Exercise 1

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