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Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Cell division in common life cycles
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Garter Snake
A child suffering from malaria, one of the most common and deadly infectious diseases.
A common autosomal recessive allele can produce a pedigree that looks like an autosomal dominant tra