Classification of Living Organisms — Flashcards

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Biodiversity means the enormous variety of living organisms on earth. It comes from bios meaning life and diversity meaning variety.

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The three levels are ecological diversity, species diversity, and genetic diversity.

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A species is a group of very similar organisms that can interbreed and produce fertile offspring. Members of one species cannot interbreed with another species to produce fertile offspring.

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The biosphere is the part of earth that supports life. Organisms live up to 8 km in air and up to 5 km below sea level.

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Classification groups organisms according to similarities and differences. It makes the study of the huge diversity of life easier and shows evolutionary relationships.

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The hierarchy is Kingdom, Phylum, Class, Order, Family, Genus, and Species.

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Taxonomy is the science of classification. Systematics is another term for classification because it shows evolutionary relationships between organisms.

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Carolus Linnaeus, a Swedish naturalist of the 18th century, introduced the Binomial system of nomenclature.