Question:

5 typical characteristics of primates?

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5 typical characteristics of primates?

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  1. Drink beer

    Watching TV

    Complain of politicians

    Pollute

    and ...

    find somebody for the s*x ;-)


  2. nails instead of claws, central foramen magnum, diernal(except for some lemurs and bush babies),  care of young for longer periods of time, foward facing eyes

  3. 1) Retention of the clavicle

    2) 5 digits with opposable thumbs

    3) Stereoscopic, color vision

    4) Nails instead of claws on at least some digits

    5) Larger brain/body size ratio compared to other mammals

    6) Comparatively anterior-placed foramen magnum (this is somewhat true in all primates, but extremely pronounced in the bipedal ones).

  4. forward-facing eyes for binocular vision (allowing depth perception)

    # Increased reliance on vision: reduced noses, snouts (smaller, flattened), loss of vibrissae (whiskers), and relatively small, hairless ears

    # Color vision

    # Opposable thumbs for power grip (holding on) and precision grip (picking up small objects)

    # Grasping fingers aid in power grip

    # Flattened nails for fingertip protection, development of very sensitive tactile pads on digits

    # Primitive limb structure, one upper limb bone, two lower limb bones, many mammalian orders have lost various bones, especially fusing of the two lower limb bones

    # Generalist teeth for an opportunistic, omnivorous diet; loss of some primitive mammalian dentition, humans have lost two premolars

    # Progressive expansion and elaboration of the brain, especially of the cerebral cortex

    # Greater facial mobility and vocal repertoire

    # Progressive and increasingly efficient development of gestational processes

    # Prolongation of postnatal life periods

    # Reduced litter size—usually just one (allowing mobility with clinging young and more individual attention to young)

    # Most primates have one pair of mammae in the chest

    # Complicated social organization

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