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Chapter 17<br />
Name Date Class<br />
9<br />
The model below allows scientists to compare<br />
DNA sequences from two species to estimate<br />
how long it has been since they diverged from<br />
a common ancestor. What is the name of this<br />
model<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
A molecular clock<br />
B cladogram<br />
C pedigree<br />
D family tree<br />
<br />
<br />
bk<br />
Members of which kingdom secrete enzymes<br />
into their food and then absorb the digested<br />
matter directly into their cells<br />
A Protista<br />
B Fungi<br />
C Plantae<br />
D Animalia<br />
bl<br />
As scientists began to learn more about<br />
geologic time, they incorporated their findings<br />
into systems of classification. What is the<br />
system that takes into account an organism’s<br />
evolutionary history<br />
A binomial nomenclature<br />
B phylogeny<br />
C taxonomy<br />
D historical classification<br />
bm<br />
What is the system by which each species is<br />
given a two-part scientific name<br />
A phylogenetics<br />
B cladistics<br />
C taxonomy<br />
D binomial nomenclature<br />
bn<br />
Which would be the least reliable evidence in<br />
determining whether or not two animals share<br />
a taxonomic relationship<br />
A physical structures and appearance<br />
B appearance of their chromosomes<br />
C diet and nutrition<br />
D DNA sequences<br />
bo<br />
Which is a cluster of organisms distinct from<br />
other clusters that shows evidence of a pattern<br />
of ancestry and descent<br />
A kingdom<br />
B division<br />
C phylum<br />
D species<br />
bp<br />
What statement describes the thinking of<br />
scientists before Darwin presented his theory<br />
of evolution<br />
A All species that ever lived were still alive.<br />
B All species were separate and unchanging.<br />
C Species could be distinguished by their DNA.<br />
D Species could be distinguished by their color<br />
patterns.<br />
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />
34 CHAPTER 17 STANDARDIZED TEST PRACTICE