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Linnaeus' two-part name system; the first name of the organism is the genus to which it belongs and the second name is its species
a naturally occurring sequence of organisms from the various trophic levels that feed on each...
a disease caused by the human immunodeficiency virus (HIV).
a genus of the Protozoa consisting of shapeless unicellular organisms that move by means...
structure surrounding plan tcells i tgives cells rigidity and strength.