Deck 23: Animal Tissues and Organ Systems

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Question
Groups of cells that interact and provide a specific function are defined as a(n)

A) organ system.
B) organ.
C) tissue.
D) tumor.
E) No answer is correct.
Use Space or
up arrow
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to flip the card.
Question
You are given a tissue sample in culture and are asked to identify it.Chemical tests show that it secretes collagen and stores fat,so you label it 

A) bone.
B) cartilage.
C) adipose.
D) dense connective.
E) blood.
Question
The tissue type that provides support,transport,and insulation is

A) epithelial.
B) connective.
C) nervous.
D) muscle.
E) All answers are correct.
Question
The type of connective tissue with a mineralized extracellular matrix is

A) cartilage.
B) bone.
C) adipose.
D) blood.
E) loose connective.
Question
The primary function of muscle tissue is

A) contraction.
B) absorption.
C) secretion.
D) impulse transmission.
E) compression.
Question
The study of the function of all of the body's parts is

A) anatomy.
B) physiology.
C) pathology.
D) histology.
E) genetics.
Question
The tissue type that acts as a lining of organs,serves in absorption and secretion,and also conducts gas diffusion is

A) connective.
B) nervous.
C) muscle.
D) epithelial.
E) All answers are correct.
Question
The tissue that makes up the spinal cord and brain consists of

A) neurons only.
B) platelets and neuroglia.
C) platelets only.
D) neurons and platelets.
E) neurons and neuroglia.
Question
You are observing a test subject move his arm.You notice that the subject can move the arm on command,and a tissue biopsy shows that the relevant muscle tissue has cells with many nuclei.You decide that the movement is due to muscle that is 

A) cardiac.
B) skeletal.
C) smooth.
D) both smooth and cardiac.
E) No answer is correct.
Question
If a friend says that they have damage to connective tissue with a matrix of fine collagen fibers,you know that they have an issue with 

A) bone.
B) adipose.
C) cartilage.
D) dense connective.
E) blood.
Question
The type of epithelial tissue that forms multiple layers of flattened cells is

A) stratified squamous.
B) simple squamous.
C) simple cuboidal.
D) simple columnar.
E) stratified columnar.
Question
You are asked to research what the eye is.You read that it contains nerves,muscles,and blood cells.Therefore,you decide that it is a(n)

A) organ.
B) tumor.
C) organ system.
D) tissue.
Question
The tissue type that receives,processes,and transmits information by providing a communication network among cells is

A) epithelial.
B) connective.
C) nervous.
D) muscle.
E) All answers are correct.
Question
The type of epithelial tissue that forms a single layer of cube-shaped cells is

A) simple squamous.
B) simple cuboidal.
C) stratified cuboidal.
D) simple columnar.
E) stratified columnar.
Question
The only type of connective tissue in which collagen is not secreted is

A) bone.
B) blood.
C) cartilage.
D) adipose.
E) loose connective.
Question
The study of an organism's structure is

A) physiology.
B) kinesiology.
C) endocrinology.
D) anatomy.
E) immunology.
Question
Different types of animal tissue include

A) epithelial tissue.
B) connective tissue.
C) muscle tissue.
D) nervous tissue.
E) All answers are correct.
Question
The type of epithelial tissue that forms a single layer of flattened cells is

A) stratified squamous.
B) simple cuboidal.
C) simple columnar.
D) simple squamous.
E) stratified columnar.
Question
The tissue type that provides contractions that power movement is

A) epithelial.
B) connective.
C) muscle.
D) nervous.
E) All answers are correct.
Question
The type of epithelial tissue that forms a single layer of elongated cells is

A) stratified cuboidal.
B) simple squamous.
C) stratified squamous.
D) stratified columnar.
E) simple columnar.
Question
The body's first line of defense against disease-causing microorganisms is the

A) white blood cells.
B) process of phagocytosis.
C) production of antibodies.
D) production of T lymphocytes.
E) intact skin.
Question
The systems that support and move the body are

A) skeletal and muscular.
B) nervous and endocrine.
C) circulatory and respiratory.
D) digestive and circulatory.
E) urinary and immune.
Question
The systems that coordinate communication are

A) skeletal and muscular.
B) circulatory and respiratory.
C) nervous and endocrine.
D) digestive and circulatory.
E) urinary and immune.
Question
One way humans maintain body temperature is by increasing blood flow to the skin and sweating.Which organ systems are interacting in this process?

A) circulatory and muscular
B) muscular and integumentary
C) endocrine and muscular
D) circulatory and integumentary
E) endocrine and circulatory
Question
Muscle tissue that is controlled involuntarily and has no striations is

A) smooth.
B) cardiac.
C) skeletal.
D) cartilage.
E) squamous.
Question
An action that counters an existing condition is called

A) negative feedback.
B) a mistake.
C) positive feedback.
D) directional control.
E) No answer is correct.
Question
If you were doing experiments on rats and wanted to disrupt thermal homeostasis,you would want to disconnect the 

A) cerebellum.
B) hypothalamus.
C) cerebrum.
D) medulla oblongata.
E) spinal cord.
Question
Which tissue within skin is responsible for producing sweat?

A) epithelial
B) connective
C) muscle
D) nervous
E) endocrine
Question
The liver produces 90% of the cholesterol in your body.Most cholesterol is transported in the blood as low density lipoprotein (LDL).When the levels of blood LDL increase,the enzyme in the liver that makes cholesterol is inhibited.This is an example of ________ feedback.

A) positive
B) endocrine
C) nervous
D) negative
E) hormonal
Question
You are working in a diagnostic lab,and you receive a skin biopsy sample.The sample shows several groups of cancerous cells in the epithelium,so you say in your report that you found several 

A) carcinomas.
B) leukemias.
C) sarcomas.
D) hybridomas.
E) lymphomas.
Question
Our cells use vitamin C to make collagen,and people on a diet deficient in vitamin C have increased risk of small blood vessels rupturing.Which is the best explanation for this observation?

A) Collagen is the connective tissue in blood.
B) Collagen weakens the cells lining blood vessels.
C) Collagen is in the connective tissue surrounding blood vessels.
D) Collagen causes blood vessels to become stiff and more likely to break.
E) Collagen inhibits blood clotting.
Question
An organ is defined as consisting of two or more interacting tissues.
Question
When a blood clot begins to form,the enzyme thrombin is formed.Thrombin then activates the enzymes that produce more thrombin.This is an example of ________ feedback.

A) negative
B) positive
C) endocrine
D) nervous
E) hormonal
Question
The temperature in a room dropping below the setting on the thermostat,causing the heater to turn on,and the heater turning off when the set temperature is reached,is an example of the principle of

A) homeostasis.
B) positive feedback.
C) negative feedback.
D) directional control.
Question
The systems that work together to acquire and use energy are

A) nervous and endocrine.
B) skeletal and muscular.
C) digestive, respiratory, and circulatory.
D) reproductive and integumentary.
E) urinary and immune.
Question
Blood flow is increased by vasodilation,or widening of the blood vessel.Which tissue is responsible for vasodilation?

A) epithelial
B) connective
C) muscle
D) adipose
E) endocrine
Question
Blood vessels are lined by a single layer of flattened cells.Which type of cells line blood vessels?

A) stratified squamous
B) simple cuboidal
C) simple squamous
D) simple columnar
E) pseudostratified columnar
Question
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in collagen deposits in the skin.Which would be a symptom of scleroderma?

A) increased blood flow to the skin
B) increased flexibility in the skin
C) change in the skin cell type from squamous to columnar
D) change in the skin cell type from columnar to squamous
E) less flexibility and sensitivity to temperature in the skin
Question
If you were asked to list systems that are most critical for protecting the body from external threats,you would list 

A) nervous and endocrine.
B) skeletal and muscular.
C) digestive, respiratory, and circulatory.
D) integumentary, immune, and urinary.
E) reproductive and respiratory.
Question
Patients with muscular dystrophy have decreased voluntary motion,while involuntary motions remain normal.Which tissues are affected by muscular dystrophy?

A) both skeletal and cardiac muscle
B) cardiac muscle only
C) skeletal muscle only
D) both cardiac and smooth muscle
E) smooth muscle only
Question
The tissue that gives the skull its shape is shared with plants.
Question
In a hierarchical description of an animal,tissues would fall between cells and organs.
Question
What might an ectotherm do to conserve or obtain body heat?

A) seek sunshine
B) bask on warm rocks
C) make an insulated burrow
D) tuck legs into its body
E) All answers are correct.
Question
Which animal tissue has control over the other tissues and is found in all organ systems?

A) epithelial
B) connective
C) muscular
D) nervous
E) No answer is correct.
Question
The most common way that living organisms maintain homeostasis is by positive feedback mechanisms.
Question
Muscle cells insulate neuroglia as the latter carry electrical signals to muscles.
Question
If you found a dinosaur fossil in which the nasal cavity cross section was proportionally as large as in a dog,you would probably have found an endothermal dinosaur.
Question
Neurons insulate neuroglia as the latter carry electrical signals.
Question
The cross-sectional area of the nasal cavity can be an important indicator of whether an animal is an endotherm or an ectotherm.
Question
If you observe that the hypothalamus of a newly discovered animal stimulates blood vessels in the skin to relax in response to excessive body temperature,you know that it is an ectotherm.
Question
Most burn victims who have substantial damage to their skin are prescribed powerful antibiotics because the intact skin is the first defense against bacterial infections.
Question
The tissue which gives the outer part of the ear its shape is unique to animals.
Question
Feathers,whether on an ancient dinosaur or a modern bird,can help in thermoregulation by holding onto body heat.
Question
What two features do all tissues share?

A) All tissues are composed of cells in an extracellular matrix and make up organs.
B) All tissues have DNA and are unique to a specific organ.
C) All tissues have protein fibers and are unique to a specific organ.
D) All tissues have carbohydrate skeletons and are unique to a specific organ.
E) All answers are correct.
Question
What is a principal mechanism by which endotherms obtain body heat?

A) generate heat via metabolism
B) seek sunshine
C) bask on warm rocks
D) make an insulated burrow
E) tuck legs into the body
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Deck 23: Animal Tissues and Organ Systems
1
Groups of cells that interact and provide a specific function are defined as a(n)

A) organ system.
B) organ.
C) tissue.
D) tumor.
E) No answer is correct.
C
Explanation: Groups of specialized cells that cooperate with each other to provide a specific function are called tissues.
2
You are given a tissue sample in culture and are asked to identify it.Chemical tests show that it secretes collagen and stores fat,so you label it 

A) bone.
B) cartilage.
C) adipose.
D) dense connective.
E) blood.
C
Explanation: Adipose tissue stores energy and insulates.
3
The tissue type that provides support,transport,and insulation is

A) epithelial.
B) connective.
C) nervous.
D) muscle.
E) All answers are correct.
B
Explanation: Examples of connective tissue include fat, tendons, and the cartilage in joints.
4
The type of connective tissue with a mineralized extracellular matrix is

A) cartilage.
B) bone.
C) adipose.
D) blood.
E) loose connective.
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Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
5
The primary function of muscle tissue is

A) contraction.
B) absorption.
C) secretion.
D) impulse transmission.
E) compression.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
6
The study of the function of all of the body's parts is

A) anatomy.
B) physiology.
C) pathology.
D) histology.
E) genetics.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
7
The tissue type that acts as a lining of organs,serves in absorption and secretion,and also conducts gas diffusion is

A) connective.
B) nervous.
C) muscle.
D) epithelial.
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
8
The tissue that makes up the spinal cord and brain consists of

A) neurons only.
B) platelets and neuroglia.
C) platelets only.
D) neurons and platelets.
E) neurons and neuroglia.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
9
You are observing a test subject move his arm.You notice that the subject can move the arm on command,and a tissue biopsy shows that the relevant muscle tissue has cells with many nuclei.You decide that the movement is due to muscle that is 

A) cardiac.
B) skeletal.
C) smooth.
D) both smooth and cardiac.
E) No answer is correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
10
If a friend says that they have damage to connective tissue with a matrix of fine collagen fibers,you know that they have an issue with 

A) bone.
B) adipose.
C) cartilage.
D) dense connective.
E) blood.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
11
The type of epithelial tissue that forms multiple layers of flattened cells is

A) stratified squamous.
B) simple squamous.
C) simple cuboidal.
D) simple columnar.
E) stratified columnar.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
12
You are asked to research what the eye is.You read that it contains nerves,muscles,and blood cells.Therefore,you decide that it is a(n)

A) organ.
B) tumor.
C) organ system.
D) tissue.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
13
The tissue type that receives,processes,and transmits information by providing a communication network among cells is

A) epithelial.
B) connective.
C) nervous.
D) muscle.
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
14
The type of epithelial tissue that forms a single layer of cube-shaped cells is

A) simple squamous.
B) simple cuboidal.
C) stratified cuboidal.
D) simple columnar.
E) stratified columnar.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
15
The only type of connective tissue in which collagen is not secreted is

A) bone.
B) blood.
C) cartilage.
D) adipose.
E) loose connective.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
16
The study of an organism's structure is

A) physiology.
B) kinesiology.
C) endocrinology.
D) anatomy.
E) immunology.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
17
Different types of animal tissue include

A) epithelial tissue.
B) connective tissue.
C) muscle tissue.
D) nervous tissue.
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
18
The type of epithelial tissue that forms a single layer of flattened cells is

A) stratified squamous.
B) simple cuboidal.
C) simple columnar.
D) simple squamous.
E) stratified columnar.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
19
The tissue type that provides contractions that power movement is

A) epithelial.
B) connective.
C) muscle.
D) nervous.
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
20
The type of epithelial tissue that forms a single layer of elongated cells is

A) stratified cuboidal.
B) simple squamous.
C) stratified squamous.
D) stratified columnar.
E) simple columnar.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
21
The body's first line of defense against disease-causing microorganisms is the

A) white blood cells.
B) process of phagocytosis.
C) production of antibodies.
D) production of T lymphocytes.
E) intact skin.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
22
The systems that support and move the body are

A) skeletal and muscular.
B) nervous and endocrine.
C) circulatory and respiratory.
D) digestive and circulatory.
E) urinary and immune.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
23
The systems that coordinate communication are

A) skeletal and muscular.
B) circulatory and respiratory.
C) nervous and endocrine.
D) digestive and circulatory.
E) urinary and immune.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
24
One way humans maintain body temperature is by increasing blood flow to the skin and sweating.Which organ systems are interacting in this process?

A) circulatory and muscular
B) muscular and integumentary
C) endocrine and muscular
D) circulatory and integumentary
E) endocrine and circulatory
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
25
Muscle tissue that is controlled involuntarily and has no striations is

A) smooth.
B) cardiac.
C) skeletal.
D) cartilage.
E) squamous.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
26
An action that counters an existing condition is called

A) negative feedback.
B) a mistake.
C) positive feedback.
D) directional control.
E) No answer is correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
27
If you were doing experiments on rats and wanted to disrupt thermal homeostasis,you would want to disconnect the 

A) cerebellum.
B) hypothalamus.
C) cerebrum.
D) medulla oblongata.
E) spinal cord.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
28
Which tissue within skin is responsible for producing sweat?

A) epithelial
B) connective
C) muscle
D) nervous
E) endocrine
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
29
The liver produces 90% of the cholesterol in your body.Most cholesterol is transported in the blood as low density lipoprotein (LDL).When the levels of blood LDL increase,the enzyme in the liver that makes cholesterol is inhibited.This is an example of ________ feedback.

A) positive
B) endocrine
C) nervous
D) negative
E) hormonal
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
30
You are working in a diagnostic lab,and you receive a skin biopsy sample.The sample shows several groups of cancerous cells in the epithelium,so you say in your report that you found several 

A) carcinomas.
B) leukemias.
C) sarcomas.
D) hybridomas.
E) lymphomas.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
31
Our cells use vitamin C to make collagen,and people on a diet deficient in vitamin C have increased risk of small blood vessels rupturing.Which is the best explanation for this observation?

A) Collagen is the connective tissue in blood.
B) Collagen weakens the cells lining blood vessels.
C) Collagen is in the connective tissue surrounding blood vessels.
D) Collagen causes blood vessels to become stiff and more likely to break.
E) Collagen inhibits blood clotting.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
32
An organ is defined as consisting of two or more interacting tissues.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
33
When a blood clot begins to form,the enzyme thrombin is formed.Thrombin then activates the enzymes that produce more thrombin.This is an example of ________ feedback.

A) negative
B) positive
C) endocrine
D) nervous
E) hormonal
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
34
The temperature in a room dropping below the setting on the thermostat,causing the heater to turn on,and the heater turning off when the set temperature is reached,is an example of the principle of

A) homeostasis.
B) positive feedback.
C) negative feedback.
D) directional control.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
35
The systems that work together to acquire and use energy are

A) nervous and endocrine.
B) skeletal and muscular.
C) digestive, respiratory, and circulatory.
D) reproductive and integumentary.
E) urinary and immune.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
36
Blood flow is increased by vasodilation,or widening of the blood vessel.Which tissue is responsible for vasodilation?

A) epithelial
B) connective
C) muscle
D) adipose
E) endocrine
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
37
Blood vessels are lined by a single layer of flattened cells.Which type of cells line blood vessels?

A) stratified squamous
B) simple cuboidal
C) simple squamous
D) simple columnar
E) pseudostratified columnar
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
38
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in collagen deposits in the skin.Which would be a symptom of scleroderma?

A) increased blood flow to the skin
B) increased flexibility in the skin
C) change in the skin cell type from squamous to columnar
D) change in the skin cell type from columnar to squamous
E) less flexibility and sensitivity to temperature in the skin
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
39
If you were asked to list systems that are most critical for protecting the body from external threats,you would list 

A) nervous and endocrine.
B) skeletal and muscular.
C) digestive, respiratory, and circulatory.
D) integumentary, immune, and urinary.
E) reproductive and respiratory.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
40
Patients with muscular dystrophy have decreased voluntary motion,while involuntary motions remain normal.Which tissues are affected by muscular dystrophy?

A) both skeletal and cardiac muscle
B) cardiac muscle only
C) skeletal muscle only
D) both cardiac and smooth muscle
E) smooth muscle only
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
41
The tissue that gives the skull its shape is shared with plants.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
42
In a hierarchical description of an animal,tissues would fall between cells and organs.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
43
What might an ectotherm do to conserve or obtain body heat?

A) seek sunshine
B) bask on warm rocks
C) make an insulated burrow
D) tuck legs into its body
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
44
Which animal tissue has control over the other tissues and is found in all organ systems?

A) epithelial
B) connective
C) muscular
D) nervous
E) No answer is correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
45
The most common way that living organisms maintain homeostasis is by positive feedback mechanisms.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
46
Muscle cells insulate neuroglia as the latter carry electrical signals to muscles.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
47
If you found a dinosaur fossil in which the nasal cavity cross section was proportionally as large as in a dog,you would probably have found an endothermal dinosaur.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
48
Neurons insulate neuroglia as the latter carry electrical signals.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
49
The cross-sectional area of the nasal cavity can be an important indicator of whether an animal is an endotherm or an ectotherm.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
50
If you observe that the hypothalamus of a newly discovered animal stimulates blood vessels in the skin to relax in response to excessive body temperature,you know that it is an ectotherm.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
51
Most burn victims who have substantial damage to their skin are prescribed powerful antibiotics because the intact skin is the first defense against bacterial infections.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
52
The tissue which gives the outer part of the ear its shape is unique to animals.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
53
Feathers,whether on an ancient dinosaur or a modern bird,can help in thermoregulation by holding onto body heat.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
54
What two features do all tissues share?

A) All tissues are composed of cells in an extracellular matrix and make up organs.
B) All tissues have DNA and are unique to a specific organ.
C) All tissues have protein fibers and are unique to a specific organ.
D) All tissues have carbohydrate skeletons and are unique to a specific organ.
E) All answers are correct.
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
55
What is a principal mechanism by which endotherms obtain body heat?

A) generate heat via metabolism
B) seek sunshine
C) bask on warm rocks
D) make an insulated burrow
E) tuck legs into the body
Unlock Deck
Unlock for access to all 55 flashcards in this deck.
Unlock Deck
k this deck
locked card icon
Unlock Deck
Unlock for access to all 55 flashcards in this deck.