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  • CES Ch 11 Biodiversity Flashcards - Quizlet
    Study with Quizlet and memorize flashcards containing terms like The genetic, species, and ecological diversity of the organisms in a given area , A measure in the variety of different versions of the same genes within individual species , The number of different kinds of organisms within individual communities or ecosystems and more
  • Invertebrates - Faunalytics
    The number of invertebrate species is staggering There are about 1 25 million species of invertebrates, just that we’ve identified so far Comparing this to the number of vertebrate species we’ve identified (just 60,000), invertebrates make up 97% of all species on the planet — and there are likely many, many more species that we haven
  • Invasive Species and Evolution | Evolution: Education and . . .
    Invasive species are a major threat to modern ecosystems and cause billions of dollars in economic damage annually The long-term impacts of species invasions are difficult to assess on ecological timescales available to biologists, but the fossil record provides analogues that allow investigation of the long-term impacts of species invasions Two case studies of ancient invasions, the Late
  • 9. 3. E: Conservation and Biodiversity (Exercises) - Biology . . .
    These include numbers of species, genetic diversity, chemical diversity, and ecosystem diversity The number of described species is estimated to be 1 5 million with about 17,000 new species being described each year Estimates for the total number of eukaryotic species on Earth vary but are on the order of 10 million
  • The 7 Homo Species Close to Present Humans That Existed on . . .
    The Earth has a 4 6-billion-year history However, Homo sapiens (modern humans) only evolved between 400,000 and 250,000 years ago Humans evolved from the family hominid (great apes) that have existed on Earth for around 20 million years
  • Con Bio Unit 2 Exam Flashcards - Quizlet
    A forest, untouched for many years, has been opened for lumbering Roads are built through it, and selected areas are clear-cut, decreasing the total forest area and increasing edge habitats A species of flying squirrel is highly dependent on the interior conditions of the forest—cool, shady, damp, and quiet
  • EVR Chapter 8 Flashcards - Quizlet
    Study with Quizlet and memorize flashcards containing terms like Endemic species are _____ , Approximately half of all vertebrate species on Earth are _____ , Global biodiversity exists in a number of patterns The largest and most obvious of these is that biodiversity is _____ and more





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