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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..