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Multiple Choice Quiz
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1
About when do undisputed primates appear in the fossil record?
A)115 mya
B)75 mya
C)55 mya
D)25 mya
2
An important evolutionary shift that marked the origin of the anthropoids included which change?
A)an increasingly nocturnal lifestyle
B)less leaping and more climbing through the trees with all fours
C)a more carnivorous diet with greater emphasis on insects.
D)the use of primitive forms of language
3
The biggest primate ever, Gigantopithecus, is estimated to have stood
A)5 to 6 feet tall.
B)10 to 12 feet tall.
C)15 to 20 feet tall.
D)20 to 25 feet tall.
4
Starting around _____, we find more fossils of ground-dwelling, open-country apes, whose larger back teeth with thicker enamel point to an increased mixed vegetable diet that included harder foods such as nuts.
A)6 mya
B)12 mya
C)18 mya
D)24 mya
5
The "Taung Baby" looks like a young ape except for a couple of important differences. One of those differences is
A)the dexterity of the anklebone.
B)the mobile shoulder joint.
C)the location of the foramen magnum.
D)the number of vertebra.
6
Which of the following is NOT considered to be a potential adaptive reason for bipedalism?
A)It frees the arms and hands to transport food.
B)It elevates the head so that we could locate potential food sources or danger.
C)It helps cool the body by dispensing heat more rapidly.
D)It takes more metabolic energy to run somewhere than to walk.
7
Which of the following genera is NOT extinct?
A)Homo
B)Ardipithecus
C)Paranthropus
D)Australopithecus
8
The sagittal crest is
A)a ridge of bone, running from front to back along the top of the skull.
B)the jutting forward of the lower face and jaw area.
C)the hole in the base of the skull.
D)the rim of the mountain in South Africa where Lucy was found.
9
What is the purpose of the sagittal crest?
A)Muscles attach to it to aid in swallowing.
B)Muscles attach to it to aid in chewing.
C)Muscles attach to it to keep the head up.
D)Muscles attach to it to aid in speaking.
10
The ape like trait of the jutting forward of the lower face and jaws is called
A)foramen magnum.
B)sagittal crest.
C)prognathism.
D)pragmatism.
11
Savanna adapted early hominins are classified in genus
A)Australopithecus
B)Paranthropus
C)Homo
D)Orrorin
12
What is "robust" about the so-called robust early hominins?
A)Shoulder and arm muscles
B)Leg and pelvic muscles
C)Chewing areas
D)Basic survival adaptations
13
Orrorin is thought by some to be a hominin because of its
A)large brain.
B)short arms.
C)stone tools.
D)bipedalism.
14
Competitive exclusion is
A)when one species competes with others for the resources of a particular area and wins.
B)the physical difference between the sexes of a species, not related to reproductive features.
C)the state in which an organism is adjusted to and can survive in its environment through its physical traits and behaviors.
D)a severe reduction in the size of a population, such that only certain genes survive and come to characterize the descendant population.





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