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  • Taxonomy, Systematics, and Phylogeny

Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 19

Taxonomy, Systematics, and Phylogeny - all with Video Answers

Educators


Chapter Questions

01:05

Problem 1

Which of the following is the scientific name of an organism?
a. Rosa rugosa
b. Rosa
c. rugosa
d. Rugosa rugosa
e. Both a and d are correct

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:10

Problem 2

Which of the following describes systematics?
a. studies evolutionary relationships
b. includes taxonomy and classification
c. includes phylogenetic trees
d. utilizes fossil, morphological, and molecular data
e. All of these are correct.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
00:58

Problem 3

The classification category below the level of family is
a. class.
b. species.
c. phylum.
d. genus.
e. order.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:13

Problem 4

Which of the following are domains? Choose more than one answer if correct.
a. Bacteria
b. Archaea
c. Eukarya
d. Animals
e. Plants

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:17

Problem 5

Which of these characteristics is shared by bacteria and archaea? Choose more than one answer if correct.
a. presence of a nucleus
b. absence of a nucleus
c. presence of ribosomes
d. absence of membrane-bound organelles
e. presence of a cell wall

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:38

Problem 6

Which of the following pairs is mismatched?
a. fungi—prokaryotic single cells
b. plants—nucleated
c. plants—flowers and mosses
d. animals—arthropods and humans
e. protists—single-celled eukaryotes

Rikhil Makwana
Rikhil Makwana
Numerade Educator
02:33

Problem 7

Which of the following pairs is mismatched?
a. fungi—heterotrophic by absorption
b. plants—usually photosynthetic
c. animals—rarely ingestive
d. protists—various modes of nutrition
e. Both c and d are mismatched.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
00:57

Problem 8

Which of the following traits would be considered a derived trait in primates?
a. shoulder rotation
b. production of breast milk
c. hair
d. opposable thumb
e. a tail

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:19

Problem 9

Concerning a phylogenetic tree, which is incorrect?
a. Dates of divergence are always given.
b. Common ancestors give rise to descendants.
c. The more recently evolved organisms are always at the top of the tree.
d. Ancestors have primitive characteristics.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
02:11

Problem 10

Which pair is mismatched?
a. homology—character similarity due to a common ancestor
b. molecular data—matching DNA strands
c. fossil record—bones and teeth
d. homology—functions always differ
e. molecular data—molecular clock

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:40

Problem 11

The discovery of common ancestors in the fossil record, the presence of homologies, and nucleic acid similarities help scientists decide
a. how to classify organisms.
b. how to determine the proper cladogram.
c. how to construct phylogenetic trees.
d. how evolution occurred.
e. All of these are correct.

Rikhil Makwana
Rikhil Makwana
Numerade Educator

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