To draw valid conclusions , it needs careful selection of a sample that is representative of the group as a whole. Every study and research requires sample and it can be selected in different ways. I. Probability sampling involves random selection, allowing to make statistical inferences about the whole group. There are four main types […]
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I.9.7 Adaptation, adaptability and acclimatization in human being
Every organism including human being responds to structural and functional characteristics of its environment through adaptability which in turn results into better survival and evolution. Charles Darwin and Alfred Wallace (1858) famously proposed that positive selection could explain the many marvelous adaptations that suit organisms to their environments and lifestyles, and this simple process remains […]
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