Cell is the structural and functional unit of life. It is
often called as the “building block of life”. The cell was discovered by Robert
Hook in 1665. An organism consisting of
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Introduction to Evolution
Evolution in biology
can simply be defined as descent with modification. The central idea behind
evolution is that all life on Earth shares a common ancestor. Evolution occurs
if there is a change in the heritable characteristics of a population over successive
generations. Evolutionary processes bring about biodiversity
Introduction to Biology
Biology is an
interdisciplinary science. The term biology is derived from two Greek words
"Bios" and suffix "-logia" which means "life" and
"study of" respectively, so we can define biology as study of life. Biology
deals
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