Here is an essay on ‘Evolutionary Theory’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Evolutionary Theory’ especially written for school and college students. Essay # 1. Introduction to Evolutionary Theory: Biology came of age as a science when Charles Darwin published “On the Origin of Species.” But, the […]
Essay on Evolutionary Theory | Species | Biology
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Concept of Biological Species | Biology
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The concept of biological species was advanced by Mayr (1957) and gained general acclaim through the advocacy of Stebbins, Clausen, Grant and others in botanical taxonomy. This concept underscores reproductive isolation which is, in turn, a by-product of genetic divergence. The biological species, according to Grant (1957), is defined as “a community of cross fertilising […]
Distant Hybridization: Frequently Asked Questions | Plant Species | Botany
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Everything you need to know about distant hybridization of plant species ! Q. 1. What is distant hybridization? Ans. Crossing between different species of the same genes or different genera of the same family is called distant hybridization; also known as wide crossing. It is of two types, viz. interspecific hybridization and intergeneric hybridization. Q. […]
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