Earth Science: Geology, the Environment, and the Universe

Section 4: Cenozoic Life

Cenozoic Life

1
Hominids and hominoids are primates. What characteristic defines the difference between the two?
A)Hominids are bipedal.
B)Hominoids have greater manual dexterity.
C)Hominids have smaller brains.
D)Hominoids have smaller canine teeth.
2
What is the modern fauna?
A)marine organisms that evolved during the Mesozoic Era
B)marine organisms such as bony fishes, aquatic reptiles, sharks, and aquatic mammals
C)marine organisms such as crabs, lobsters, snails, and clams
D)all of the above
3
According to the figures, which is the only organism that lived through the Cenozoic Era?
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A)Pleurotomaria
B)Crateraster
C)Aeger
D)Mytilus
4
What type of flowering plant appeared during the Eocene?
A)cycads
B)conifers
C)grasses
D)angiosperms
5
Use the figures to place the following organisms in order from least recent to most recent.
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A)Ager, Gonioteuthis, Crateraster
B)Aeger, Crateraster, Gonioteuthis
C)Gonioteuthis, Aeger, Crateraster
D)Crateraster, Aeger, Gonioteuthis
6
What type of mammal is defined by the development of specialized traits including a grasping hand, stereoscopic vision, and a large brain?
A)horses
B)primates
C)hominids
D)giant ground sloths
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