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1) A shortened snout that contains at least three types of teeth.

2) Eye Sockets (orbits) that face forward and are protected on the side, toward the back, by bone (post-orbital bar).

3) Three little bones of the middle ear housed within an outgrowth (pestrosal bulla) of the skull, instead of being contained in a separate bone.

4) Collar bones (clavical bones).

5) Fingernails and toenails instead of claws.

6) Two separate bones in the forearm (radius and ulna) and leg (tibia and fibula).

7) Grasping feet (except for humans) and hands, with mobility of thumbs and big toes as well as other individual digits.

8) Tendency toward vertical posture.

9) Trend toward longer lives with longer periods of infancy, childhood, and adulthood.

10) Enlarged Brains with increased areas for seeing and decreased areas for smelling.

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12y ago
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12y ago

It's Hard to narrow it down to 2 destinct features. Humans have most of the defining characteristics of primates:

1) A shortened snout that contains at least three types of teeth.

2) Eye Sockets (orbits) that face forward and are protected on the side, toward the back, by bone (post-orbital bar).

3) Three little bones of the middle ear housed within an outgrowth (pestrosal bulla) of the skull, instead of being contained in a separate bone.

4) Collar bones (clavical bones).

5) Fingernails and toenails instead of claws.

6) Two separate bones in the forearm (radius and ulna) and leg (tibia and fibula).

7) Grasping feet (except for humans) and hands, with mobility of thumbs and big toes as well as other individual digits.

8) Tendency toward vertical posture.

9) Trend toward longer lives with longer periods of infancy, childhood, and adulthood.

10) Enlarged Brains with increased areas for seeing and decreased areas for smelling.

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9y ago

The main characteristic of an anthropoid is that they resemble humans. They also have flat faces with dry noses, ears that do not move, and eyes that face forward. The most common examples are apes and monkeys.

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15y ago

A lemur is a primate, and therefore related to monkeys and to humans.

Lemurs have long tails and forward-facing eyes.

To see some images, visit:

http://en.wikipedia.org/wiki/Lemur

http://www.stanford.edu/~siegelr/madagascar/madagascar2007pixall.html [scroll down]

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9y ago

There is no unique characteristic that classifies a primate. Some common characteristics that primates share include: an opposable thumb, forward-facing eyes for binocular vision, grasping fingers and progressive expansion and elaboration of the brain.

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10y ago

Five characteristics of anthropoids are:

  1. opposable thumb and big toe assists in grasping and manipulation behaviors
  2. flat nails instead of claws, with fingerprints on fingers and toes
  3. hindlimb-dominated locomotion
  4. smaller snouts as compared to other mammalian orders
  5. eyes are large are placed toward the front of the face
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9y ago

Some characteristics of primates include their hairy bodies, intelligence, and long limbs. They are the closest genetic relative to humans in the animal kingdom.

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15y ago

B. They are highly social. C. They have good visual depth perception. F. They have five grasping fingers.

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11y ago

The characteristics of a lemur include its dark patches around its eyes which are caused by a basturd monkey punching it in the eyes and leaving it blind and senseless.

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Q: What shared derived characteristics define the primates?
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Derived Characteristics.


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Every primate has a clavicle. The collar bone is one of the shared derived traits that primates have compared to other mammals. If by squirrel monkey you are referring to a primate, then yes it has a clavicle. Squirrels, however, do not have clavicles.


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How does a branching tree diagram divide organisms into groups?

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