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  • Insects - Insecta - The Animal Encyclopedia - ThoughtCo
    Scorpionflies (Mecoptera) - There are about 500 species of scorpionflies alive today Members of this group include common scorpionflies and hanging scorpionflies Most adult scorpionflies have a long slender head and narrow wings with highly-branched venation Silverfish (Thysanura) - There are about 370 species of silverfish alive today
  • Extinction risk from climate change - Wikipedia
    At 3 °C (5 4 °F), there are more highly vulnerable species (205) than moderately vulnerable species (140) Relative to 3 °C (5 4 °F), stabilizing the warming at 1 5 °C (2 7 °F) represents a reduction in extinction risk for 76% of those species, and 38% stop being vulnerable
  • Relations between abundance, body size and species
    There are more species of birds than of mammals: on a global scale 9000-10000 and 4000-5000 respectively (Sibley Monroe 1990; Corbet Hill 1991) and 195 and 57 terrestrial species breeding in Great Britain The abundances of birds appear to be considerably lower than those of mammals of the same size (Peters Wassenberg 1983; Juanes 1986
  • Horses: Domestic, feral and wild | Live Science
    Horses are hoofed mammals that have lived with humans for thousands of years Modern horses were likely first domesticated in central Asia between 3000 and 4000 B there are approximately
  • vertebrate - Students | Britannica Kids | Homework Help
    By the end of the Paleogene, members of almost every type of modern mammalian group had evolved There are approximately 5,000 species of mammals today; all are members of the Class Mammalia Living mammals are broadly divided among three major groups based on how they reproduce—monotremes, marsupials, and placentals
  • AP Bio Exam Flashcards - Quizlet
    Approximately how long ago did Australia become separated from the other continents? How many species of Galapagos finch are there? 13 birds, and mammals
  • 62 One of the oldest known mammalian fossils belongs to a . . .
    By 65 million years ago, the nonavian dinosaurs were extinct By 55 million years ago, there were 130 mammal genera, including 4,000 different species that occupied a wide variety of habitats Which of the following best describes the cause of the rapid increase in the number of mammalian species between 65 and 55 million years ago?





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