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  • Chapter 5: Primates – Introduction to Anthropology: A Four . . .
    Pentadactyly is also a primitive trait, one that dates back to the earliest four-footed animals Primates today have opposable thumbs and, except humans, opposable big toes (Figure 2) Opposable digits are a derived trait that appeared in the earliest primates about 55 million years ago Having thumbs and big toes that go in a different
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    1 Introduction Anthropogenic activity is causing species to disappear at an alarming rate However, not all species are affected equally Explaining why some species are more susceptible to extinction than others has become a major goal of conservation biologists as these contributions help to both explain current extinction patterns and allow for proactive protection of species possessing
  • FAQs | OLAW - National Institutes of Health
    PHS Policy on Humane Care and Use of Laboratory Animals PHS Policy (PDF) Guide for the Care and Use of Laboratory Animals The Guide (PDF) AVMA Guidelines for the Euthanasia of Animals; Health Research Extension Act of 1985; U S Government Principles; International Guiding Principles; 21st Century Cures Act; Animal Welfare Act (Administered
  • All eyes on zebrafish | Lab Animal - Nature
    Lab Animal - All eyes on zebrafish The average adult zebrafish can reproduce every 10 days and lays between 50 and 300 eggs per mating “You can store half a million fish in a 50-by-30
  • New World Monkeys | Learn Science at Scitable - Nature
    The NWMs diverged from the Old World monkeys and apes (Catarrhini) around 40 million years ago (Perelman et al 2011) Animal Behaviour 50, 1057-1070 (1995 J Five New World primates: a





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