TEST BANK
FOR ANIMAL PHYSIOLOGY 5TH EDITION BY
RICHARD W. HILL, MARGARET ANDERSON &
DANIEL CAVANAUGHALL CHAPTERS 1-30|
LATEST
© 2026 Sinauer Associates, Inc.
, Chapter 1: animals and environments: function on the ecological
stage
Test bank questions
Multiple choice
1. Which statement about the discipline of physiology is false?
a. It is a key discipline for understanding how animals change over earth’s history.
b. It is a key discipline for understanding the fundamental biology of all animals.
c. It is a key discipline for understanding human health and disease.
It is a key discipline for understanding the health and disease of nonhuman animals. ANS: a
Textbook reference: the importance of physiology
bloom’s category: 5. Evaluating
2. To understand how a fish propels itself by applying forces to the water,
physiologists would study its
a. Biomechanics.
b. Evolution.
c. Ecology.
Cell physiology. ANS: a
Textbook reference: the highly integrative nature of physiology
bloom’s category: 2. Understanding
3. The data in the graph below would be relevant to which subdiscipline of physiology?
© 2026 Sinauer Associates, Inc.
, a. Evolution
b. Cell physiology
c. Morphology
Ecology ANS: d
Textbook reference: the highly integrative nature of physiology
bloom’s category: 2. Understanding
4. In the study of physiology, the term “ ” refers to the components of living
animals and the interactions among those components that enable animals to
perform as they do.
a. Feedback
b. Regulation
c. Natural selection
Mechanism ANS: d
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 1. Remembering
5. How is the light reaction in the firefly inhibited?
a. Mitochondria prevent oxygen from reacting with luciferyl-amp.
b. Nitric oxide combines with oxygen to prevent reaction with luciferyl-amp.
c. Atp is prevented from combining with luciferin.
Luciferase is prevented from catalyzing the reaction. ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
6. Which of the following is not needed in the mechanism of light production
in the firefly?
a. Oxygen
b. Atp
c. Light
Luciferin ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
7. In the firefly, light is emitted when
a. Atp combines with luciferin, forming luciferyl-amp.
b. Released nitric oxide blocks the mitochondria’s use of oxygen.
c. The electron-excited product of o 2 and luciferyl-amp returns to its ground state.
Luciferase is activated by oxygen. ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
© 2026 Sinauer Associates, Inc.
, Bloom’s category: 5. Evaluating
8. Which of the following is considered the “on” switch for the light-emitting
reaction of the firefly?
a. Oxygen
b. Luciferase
c. Nitric oxide
d. Atp
ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 3. Applying
9. A physiological mechanism or other trait that is a product of evolution
and is advantageous is called
a. An adaptation.
b. Natural selection.
c. Adaptive significance.
Evolution. ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 1. Remembering
10. What is the adaptive significance of light emission in the firefly?
a. Female fireflies emit light in such a way that distinguishes their species.
b. All fireflies emit light to lure prey.
c. Male fireflies emit light to attract mates.
Male fireflies emit light to evade predators. ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
11. Which of the following is a similarity between an octopus and a fish?
a. The evolutionary adaptation of excellent vision
b. The mechanism of vision
c. The processing of visual signals before reaching the optic nerve
The neuroanatomy of the eye ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 5. Evaluating
12. Research in the field of physiology emphasizes synthesis across
levels of biological organization.
a. Evolutionary
b. Comparative
c. Environmental
d. Integrative
© 2026 Sinauer Associates, Inc.
FOR ANIMAL PHYSIOLOGY 5TH EDITION BY
RICHARD W. HILL, MARGARET ANDERSON &
DANIEL CAVANAUGHALL CHAPTERS 1-30|
LATEST
© 2026 Sinauer Associates, Inc.
, Chapter 1: animals and environments: function on the ecological
stage
Test bank questions
Multiple choice
1. Which statement about the discipline of physiology is false?
a. It is a key discipline for understanding how animals change over earth’s history.
b. It is a key discipline for understanding the fundamental biology of all animals.
c. It is a key discipline for understanding human health and disease.
It is a key discipline for understanding the health and disease of nonhuman animals. ANS: a
Textbook reference: the importance of physiology
bloom’s category: 5. Evaluating
2. To understand how a fish propels itself by applying forces to the water,
physiologists would study its
a. Biomechanics.
b. Evolution.
c. Ecology.
Cell physiology. ANS: a
Textbook reference: the highly integrative nature of physiology
bloom’s category: 2. Understanding
3. The data in the graph below would be relevant to which subdiscipline of physiology?
© 2026 Sinauer Associates, Inc.
, a. Evolution
b. Cell physiology
c. Morphology
Ecology ANS: d
Textbook reference: the highly integrative nature of physiology
bloom’s category: 2. Understanding
4. In the study of physiology, the term “ ” refers to the components of living
animals and the interactions among those components that enable animals to
perform as they do.
a. Feedback
b. Regulation
c. Natural selection
Mechanism ANS: d
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 1. Remembering
5. How is the light reaction in the firefly inhibited?
a. Mitochondria prevent oxygen from reacting with luciferyl-amp.
b. Nitric oxide combines with oxygen to prevent reaction with luciferyl-amp.
c. Atp is prevented from combining with luciferin.
Luciferase is prevented from catalyzing the reaction. ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
6. Which of the following is not needed in the mechanism of light production
in the firefly?
a. Oxygen
b. Atp
c. Light
Luciferin ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
7. In the firefly, light is emitted when
a. Atp combines with luciferin, forming luciferyl-amp.
b. Released nitric oxide blocks the mitochondria’s use of oxygen.
c. The electron-excited product of o 2 and luciferyl-amp returns to its ground state.
Luciferase is activated by oxygen. ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
© 2026 Sinauer Associates, Inc.
, Bloom’s category: 5. Evaluating
8. Which of the following is considered the “on” switch for the light-emitting
reaction of the firefly?
a. Oxygen
b. Luciferase
c. Nitric oxide
d. Atp
ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 3. Applying
9. A physiological mechanism or other trait that is a product of evolution
and is advantageous is called
a. An adaptation.
b. Natural selection.
c. Adaptive significance.
Evolution. ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 1. Remembering
10. What is the adaptive significance of light emission in the firefly?
a. Female fireflies emit light in such a way that distinguishes their species.
b. All fireflies emit light to lure prey.
c. Male fireflies emit light to attract mates.
Male fireflies emit light to evade predators. ANS: c
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 2. Understanding
11. Which of the following is a similarity between an octopus and a fish?
a. The evolutionary adaptation of excellent vision
b. The mechanism of vision
c. The processing of visual signals before reaching the optic nerve
The neuroanatomy of the eye ANS: a
Textbook reference: mechanism and origin: physiology’s two central questions
bloom’s category: 5. Evaluating
12. Research in the field of physiology emphasizes synthesis across
levels of biological organization.
a. Evolutionary
b. Comparative
c. Environmental
d. Integrative
© 2026 Sinauer Associates, Inc.
