Question

What traits and trends characterize the primate lineage? Explain.

Answer 1

Answer:

• Hands and feet with 5 fingers
• Generalized skeleton
• Large brain

Explanation:

The order primate holds 300 or more species including monkeys, humans, gorillas, chimpanzees among others. The species included in this order share anatomic and functional characteristics such as:

• Hands and feet with 5 fingers and opposable thumbs, for grabbing, holding a grip for a better arboreal lifestyle. Even though in some species such as humans these opposable thumbs in feet don't longer exist.

• Plantigrade feet, which means that the toes and metatarsals are flat on the ground while walking.

• Collarbone or clavicle present.

• Nails instead of claws in the large majority of species.

• Color vision.

• Two brain hemispheres well developed, for special traits like social behaviors and better eye-hand coordination among others.

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