Unit 1: Discovering Species

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  • Discovering Species
    • Predictions of the number of undiscovered species are based on past rate of discovery
    • Reasons for undiscovered species
      • Ecosystems are too inaccessible to fully research e.g. deep sea
      • Species have similar appearance, structure and behaviour
        • DNA identification methods helping tell species apart
      • Males and females can look different and live alone
      • Many plants can only be identified while flowering
    • Less than 2 million species have been identified
    • An estimate of 5-100 million species remain undscovered

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