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GCSE Combined Science · key term
A classification group containing closely related species; its name forms the first word of an organism’s binomial name.
Used by AQA
Paper 2
Revise: Classification SystemsHumans belong to all seven: the species sits within the genus, which sits within the family, and so on. For example, Mammalia is a narrower group within Animalia.
Learn the hierarchy in order: kingdom, phylum, class, order, family, genus, species. ‘King Philip Came Over For Gran’s Spaghetti’ is one possible mnemonic.
In a binomial name, capitalise the genus but not the second word: Homo sapiens. Write both words in italics when typing, or underline each word separately when handwriting.
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