Discover Biology Core Topics 4th Edition Cain Test Bank
Discover Biology Core Topics 4th Edition Cain Test Bank
Discover Biology Core Topics 4th Edition Cain Test Bank
MULTIPLE CHOICE
4. Evolutionary tree diagrams showing the relationships between various organisms can be drawn
because those organisms share
a. common descendants. c. common cellular metabolism.
b. distinct lineages. d. a common ancestor.
ANS: D DIF: Easy REF: 2.1 OBJ: Applied
7. All of the following sources of information except _______ can be used to construct evolutionary
trees.
a. habitat preferences c. instinctive behavior
b. body form d. learned behaviors
ANS: D DIF: Medium REF: 2.1 OBJ: Applied
9. DNA analysis has become a useful tool for understanding the relationships between organisms because
a. DNA codes for all traits, visible or invisible.
b. DNA is used by all organisms to collect energy.
c. only mammals have DNA.
d. knowing the DNA codes means we no longer have to use systematics.
ANS: A DIF: Medium REF: 2.1 OBJ: Factual
11. The emergence of each new branch on the evolutionary tree represents
a. the addition of a new Linnaean taxon within that lineage.
b. the completion of a generation for that particular organism.
c. the introduction of the most important features of a group.
d. a common ancestor and the introduction of a new shared, derived feature.
ANS: D DIF: Medium REF: 2.1 OBJ: Conceptual
14. The organisms farthest from the base of an evolutionary tree are
a. unrelated to the organisms separated by one or more branch points.
b. less primitive than the organisms lower on the tree.
c. those that have evolved most recently.
d. chronologically older than the organisms lower on the tree.
ANS: C DIF: Difficult REF: 2.1 OBJ: Applied
15. Examine the evolutionary tree pictured below.
In this evolutionary tree, which number represents the most recent common ancestor of A, B, and C?
a. 1 c. 3
b. 2 d. 4
ANS: B DIF: Difficult REF: 2.1 OBJ: Conceptual
16. Reconsideration of the Gobi Desert site where Oviraptor fossils were found has led paleontologists to
hypothesize that
a. the most recent common ancestor of the turtles and crocodilians was a dinosaur.
b. some dinosaurs commonly ate eggs.
c. some dinosaurs exhibited parental care.
d. dinosaurs were driven to extinction shortly after the appearance of birds.
ANS: C DIF: Medium REF: 2.2 OBJ: Applied
In this evolutionary tree, which groups of organisms are likely to share the most behaviors?
a. 5 and 4 c. 5 and 2
b. 5 and 3 d. 5 and 1
ANS: A DIF: Difficult REF: 2.2 OBJ: Conceptual
19. The following numbered sets of characters each represent a distinct group of organisms.