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Kardong 1e
An Introduction to Biological Evolution
Kenneth Kardong, Washington State University---Pullman

Time

Practice Quiz



1

The best scientific estimate of the Earth's age is
A)6000 years.
B)20 million years.
C)100 million years.
D)4.6 billion years.
2

Stratigraphy allows us to estimate the absolute age of a fossil.
A)TRUE
B)FALSE
3

Radiometric dating allows us to estimate the absolute age of a fossil.
A)TRUE
B)FALSE
4

Which of the following types of rock should contain the oldest fossils?
A)Rock containing a high ratio of uranium-235 to lead-207.
B)Rock containing a low ratio of uranium-235 to lead-207.
C)Rock containing equal amounts of uranium-235 and lead-207.
D)None of these ratios tells us anything about the age of a fossil.
5

The surface of the Earth during the early Archean eon was probably similar to that of the moon.
A)TRUE
B)FALSE
6

Which of the following types of fossils appears earliest in the geological record?
A)eukaryotes
B)stromatolites
C)land plants
D)mollusks
7

The term "biological radiation" refers to
A)the evolutionary diversification of a group of organisms.
B)a method for dating ancient rocks.
C)the most widely accepted explanation for the end of the Proterozoic ice age.
D)the energy required for endothermy in birds.
8

The Cenozoic is known as the "Age of Mammals" because, during this era, mammals came to outnumber fishes, birds, and reptiles in terms of numbers of species.
A)TRUE
B)FALSE
9

Nearly all animal species that ever lived on Earth are now extinct.
A)TRUE
B)FALSE
10

It is impossible to make inferences about animal behavior from the fossil record.
A)TRUE
B)FALSE
11

Which of the following groups of organisms is least likely to be fossilized after death?
A)Horses near an active volcano.
B)Turtles near a river.
C)Clams in the shallow ocean.
D)Birds in an inland forest.
12

Old rock is less likely than young rock to contain nicely preserved fossils.
A)TRUE
B)FALSE
13

Approximately when did the Cambrian period begin?
A)4200 million years ago
B)544 million years ago
C)65 million years ago
D)5 million years ago