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fossielen --- General palaeontology --- Fossielen --- Fossiles --- Rocks. Minerals --- gesteenten

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Extinction is the ultimate fate of all biological species - over 99 percent of the species that have ever inhabited the Earth are now extinct. The long fossil record of life provides scientists with crucial information about when species became extinct, which species were most vulnerable to extinction, and what processes may have brought about extinctions in the geological past. Key aspects of extinctions in the history of life are here reviewed by six leading palaeontologists, providing a source text for geology and biology undergraduates as well as more advanced scholars. Topical issues such as the causes of mass extinctions and how animal and plant life has recovered from these cataclysmic events that have shaped biological evolution are dealt with. This helps us to view the biodiversity crisis in a broader context, and shows how large-scale extinctions have had profound and long-lasting effects on the Earth's biosphere.

Extinction (Biology) --- Extinction (Biologie) --- Extinction (Biology). --- Animals --- Extirpation (Biology) --- Biology --- Extinct animals --- Extinction --- Extirpation

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"Until the early 19th century, natural historians were puzzled by organisms at the time known as zoophytes: were they animals (zoo-), plants (-phyte), or something in-between? Perhaps they were even the common ancestors of animals and plants? Zoophytes as then conceived included sponges, corals and coralline algae, as well bryozoans, the subject of this book. The so-called 'zoophyte problem' greatly engaged Charles Darwin when he set sail from Plymouth Sound on board HMS Beagle in December 1831. Indeed, Darwin's first scientific paper, which was read by his mentor Robert Grant before both the Wernerian and Plinian societies when Darwin was a medical student at the University of Edinburgh, had concerned species of zoophytes we now know to be the bryozoans Flustra and Carbasea. And he made detailed observations of the intriguing behaviour of the peculiar 'bird-head' structures in bryozoans dredged off Patagonia during the Beagle voyage (Keynes 2003)"--

Bryozoa, Fossil --- Bryozoa --- Biology --- Ecology. --- Ecology --- Bryozoans --- Ectoprocta --- Ectoprocts --- Moss animals --- Polyzoa --- Sea mat --- Sea mats --- Sea moss (Bryozoa) --- Sea mosses (Bryozoa) --- Aquatic invertebrates --- Bilateria --- Polyzoa, Fossil --- Bilateria, Fossil --- Invertebrates, Fossil --- Bryozoa - Biology --- Bryozoa - Ecology

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