To save biodiversity, it’s time to turn science into societal . . . For decades, scientists have held data about Earth’s biodiversity in hand — a crisis replete with 1 million species facing extinction, more so than at any other time in human existence — and yet, collectively, our global actions to protect species have, for the most part, been a failure In 2021 alone, 23 species were taken off the endangered species list because they had gone extinct
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Biology - Chapter 24 Quiz Flashcards | Quizlet Study with Quizlet and memorize flashcards containing terms like Which of the following statements best describes unity within a species? a) The DNA sequence lacks similarities among individuals b) Members of a given species can be distinguished by similarity in body shape and other structural features c) A species is described in terms of its interaction with living and non-living
Extinction - Education | National Geographic Society However, during the history of life on Earth, there have been periods of mass extinction, when large percentages of the planet’s species became extinct in a relatively short amount of time These extinctions have had widely different causes About 541 million years ago, a great expansion occurred in the diversity of multicellular organisms
Crocodilia - Wikipedia Some crocodilian species have been observed using sticks and branches to lure nest-building birds, though other authors have argued the purpose, if any, of stick-displaying is at best ambiguous [ 146 ] [ 147 ] Several species have been observed to hunt cooperatively , herding and chasing prey [ 131 ]