Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Question

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Answer 1

Question

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

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Students have asked these similar questions

A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.

With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

Answer 2

Question

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

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Answer 3

Question

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

Answer 6

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.

Conclusion

Thus, possession of cell walls is not a distinguishing characteristic of animals.

Answer 7

Chapter 33, Problem 1TY

Summary Introduction

Introduction: Animals have a number of characteristics that distinguish them from other organisms. The characteristics include multicellularity, the presence of an extracellular matrix, heterotrophic feeding, and possession of nervous and muscle tissues.

Answer 8

Expert Solution & Answer

Answer to Problem 1TY

Correct answer:

Possession of cell walls is not a distinguishing characteristic of animals. Hence, the correct answer is option b.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for correct answer:

Animals can be defined as multicellular heterotrophs with cells that lack cell walls, the capacity to move at some point in their life cycle, and the ability to reproduce sexually.

Option b. is given as “possession of cell walls”.

Animal cells lack a cell wall and are quite flexible. The cells of plants, fungi, bacteria, archaea, and most protists possess a rigid cell wall. Hence, the correct answer is option b.

Reasons for incorrect answer:

Option a. is given as, “the capacity to move at some point in the life cycle”.

Most animals have a muscle system, which allows them to move in their environment. Hence, option a. is incorrect.

Option c. is given as, “multicellularity”.

Animals are multicellular in nature, for example sponges (a simple type of animal). Hence, option c. is incorrect.

Option d. is given as, “heterotrophy”.

Animals obtain their food by eating other organisms. Plants and algae are grouped as autotrophs since they produce their own food. Hence, option d. is incorrect.

Option e. is given as, “All of the above are characteristics of animals”.

Animal cells do not possess a cell wall. Therefore, presence of cell wall in animal cells is not considered as a distinguishing characteristic of animals. Hence, option e. is incorrect.

Hence, the options a., c., d., and e. are incorrect.