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  • Assessing the Impact of Ionizing Radiation on Aquatic . . . - JSTOR
    Invertebrates make up approximately 90% of life on Earth, and the aquatic environment covers over 70% of the surface of the planet In addition to the sheer weight of their numbers, aquatic invertebrates are keystone species in many ecosystems (14) They are an important human food source [both commercially and in artisanal fisheries (75, 76
  • How to kill (almost) all life: the end-Permian extinction event
    The biggest mass extinction of the past 600 million years (My), the end-Permian event (251 My ago), witnessed the loss of as much as 95% of all species on Earth Key questions for biologists concern what combination of environmental changes could possibly have had such a devastating effect, the scale and pattern of species loss, and the nature of the recovery
  • Microbiology - Chapter 1 Flashcards - Quizlet
    Select the correct statement regarding photosynthesis a plants account for more than 90% of earth's photosynthesis today b oxygenic respiration developed before anoxygenic respiration in microbes c oxygenic photosynthesis is more efficient than anoxygenic photosynthesis d anoxygenic photosynthesis led to the evolution of aerobic organisms
  • Few keystone plant genera support the majority of Lepidoptera . . .
    Differences were even more apparent for herbaceous plants, where plant selection for 20 plants without keystone species supported just 13% of potential species and 2% of potential interactions but
  • The End-Permian Mass Extinction: Nature’s Revolution - Springer
    They concluded that the EPME induced more size reduction (the so-called “Lilliput effect” ; Urbanek 1993) among species than any other interval in Earth history The decrease of size in specific lineages not only resulted from the extinction of larger taxa, but also because of the evolution of smaller sizes in the surviving lineages
  • New analysis identifies largest threat to thousands of . . . - CNN
    But Hochkirch and his team found more than double that number of invertebrates at risk in Europe It is estimated that 95% of animals in the world are invertebrates, and 73% are insects, according





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