Importance of Biodiversity

What does it mean for a species to be functionally extinct?
Answered by Discovery Channel
  • Discovery Channel

    Discovery Channel

  1. Species classified as 'functionally extinct' exist in such small numbers that extinction is unavoidable. The remaining animals will never repopulate the species. In 2006, scientists announced that they couldn't find a single one of China's rare river dolphins (or baiji) during their six-week search and declared the marine mammal functionally extinct.

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