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DOWNLOAD THE TestBank for Ecology 5th
Edition Bowman
Test Bank to
accompany
Ecology, Fifth Edition
Bowman • Hacker
Chapter 1: The Web of Life
TEST BANK QUESTIONS
Multiple Choice
1. What is one reason that amphibians are especially good biological indicators of
environmental conditions?
a. They live in both terrestrial and aquatic environments.
b. It is difficult for pollutants to pass through their skin.
c. They are declining in number.
d. They can tolerate high levels of pollution.
Answer: a
Textbook Reference: Deformity and Decline in Amphibian Populations: A Case Study
Learning Objective: Not aligned
Bloom’s Level: 2. Understanding
2. The ecological study of the effect of Ribeiroia and pesticides on frog populations
suggests that all of these statements about the study of ecology are true except that a.
it describes how organisms affect the environment.
b. it describes how the environment affects organisms.
c. it studies how biotic and abiotic factors affect each other.
d. humans are not part of its subject matter.
Answer: d
Textbook Reference: 1.1 Events in the natural world are interconnected. Learning
Objective: 1.1.1 Explain how interactions between organisms and their environment can
affect other organisms and potentially lead to unexpected consequences. Bloom’s Level: 3.
Applying
3. West Nile virus can be considered an example of an unintended consequence of
ecological interactions because it a. originated in Africa.
b. is transmitted by mosquitoes.
,DOWNLOAD THE Test
Bank for Ecology 5th
Edition Bowman
c. emerged due to human impacts on the environment.
d. is increasing rapidly due to a rise in trematode populations.
Answer: c
Textbook Reference: 1.1 Events in the natural world are interconnected. Learning
Objective: 1.1.1 Explain how interactions between organisms and their environment can
affect other organisms and potentially lead to unexpected consequences.
Bloom’s Level: 3. Applying
4. In 1878, seal hunters introduced rabbits to Macquarie Island, between Australia and
Antarctica. The rabbit population soared and the Myxoma virus was then introduced to
kill off rabbits. It worked, but the islands’ cats, which had depended on the rabbits for
food, began eating seabirds instead. To save the seabirds, scientists started a program to
kill off the cats. Twenty-four years later, in 2009, the rabbit population had exploded
again, and rabbits were ravaging native plant species and devastating the island’s
ecosystem. This story appears to be an example of a. sound, responsible ecological
management.
b. unintended ecological consequences.
c. predictable but unavoidable consequences.
d. a series of catastrophes resulting from random chance.
Answer: d
Textbook Reference: 1.1 Events in the natural world are interconnected. Learning
Objective: 1.1.1 Explain how interactions between organisms and their environment can
affect other organisms and potentially lead to unexpected consequences. Bloom’s Level: 4.
Analyzing
5. What evidence led Ruth and Sessions to conclude that parasites could be the cause of
some of the deformities in the frogs found in the ponds of Northern California?
a. None of the deformed frogs found in the ponds were infected with the parasites.
b. They directly observed the parasites causing the deformities.
c. Glass beads placed near the location of limb development in tadpoles mimicked the
effect of parasites and caused deformities.
d. Deformities in the frogs occurred in nature but not in the laboratory.
Answer: c
Textbook Reference: 1.1 Events in the natural world are interconnected.
Learning Objective: Not aligned
Bloom’s Level: 2. Understanding
6. In addition to the frogs themselves, which organisms act as hosts for the flatworm that
has been linked to deformities in frogs? a. Birds and snails
,DOWNLOAD THE Test
Bank for Ecology 5th
Edition Bowman
b. Snails and turtles
c. Turtles and birds
d. Snails and clams
Answer: a
Textbook Reference: 1.1 Events in the natural world are interconnected.
Learning Objective: Not aligned
Bloom’s Level: 1. Remembering
7. Refer to the figure.
The figure is based on Johnson’s experiment on the effects of trematode parasites on
tadpoles. Which statement best describes the control group in the experiment? a.
Tadpoles were grown in the absence of trematode parasites.
b. Tadpoles were allowed to grow in nets in their natural environment.
c. Tadpoles were grown in the presence of only one trematode parasite.
d. Tadpoles were grown in a tank in which the concentration of trematode parasites was
similar to the parasite concentration of ponds in which deformed frogs were found.
Answer: a
Textbook Reference: 1.1 Events in the natural world are interconnected.
Learning Objective: Not aligned
Bloom’s Level: 2. Understanding
8. Refer to the figure.
, DOWNLOAD THE Test
Bank for Ecology 5th
Edition Bowman
The figure is based on Johnson’s experiment on the effects of trematode parasites on
tadpoles. Which claim is supported by the figure?
a. As the number of parasites that the tadpoles were exposed to decreased, the percentage
of surviving frogs with deformities increased.
b. As the number of parasites that the tadpoles were exposed to increased, the percentage
of surviving tadpoles decreased.
c. If there were no parasites present, 100% of the tadpoles survived to metamorphosis.
d. Tadpoles with moderate levels of parasites had the lowest percent of deformities in
adults.
Answer: b
Textbook Reference: 1.1 Events in the natural world are interconnected.
Learning Objective: Not aligned
Bloom’s Level: 4. Analyzing
9. Refer to the figure.
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