Second only to humans, the ape clade shows the greatest intelligence among all of the primates. Provide specific examples of ape intelligence both in terms of information that has been gained from field studies as well as that determined in the laboratory.
Second only to humans, the ape clade shows the greatest intelligence among all of the primates. Provide specific examples of ape intelligence both in terms of information that has been gained from field studies as well as that determined in the laboratory.
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Bipeds have __ in comparison to knuckle walkers.
longer tail for balance |
shorter legs in relation to arms |
more equal arm and leg length |
longer legs in relation to arms |
To faciliate efficient bipedal locomotion, the pelvis should be
basin shaped |
behind the spine to keep the weight off the pelvis |
flat and wide |
long and narrow |
The foot of a hominin
all of these |
should have a high arch |
has an enlarged big toe |
has the big toe inline with other toes |
In hominins, the foramen magnum is positioned
forward, at the base of the skull |
wide for balance |
laterally, to either the left or right side |
at the back of the skull |
In a biped, the __ should be angled toward the midline from the hip point to knee joint to keep the torso positioned over the center of gravity.
ossa coxae |
spine |
femur |
foramen magnum |
A comparision between the spine of a human and that of a great ape shows that a human spine
has three distinct curves - two backward and one forward - for balance |
should have two distinct curves to keep the weight centered above the pelvis |
is "C" shaped as a result of one backward curve in order to keep the trunk over the legs |
is straight in order to facilitate upright posture |
The ossa coxae and the sacrum make up the
pelvis |
cranium |
foot |
spine |
Hominins are committed to bipedalism and cannot locomote efficiently in any other way, in other words
obligate bipeds |
a generalized adaptation |
the hominin foot is the only part of the body structured for this purpose |
similar to most members of the order primates |