Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

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Answer 1

Question

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

Answer 2

Question

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

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Answer 3

Question

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

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Answer 4

Question

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

Want to see more full solutions like this?

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

Answer 5

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

Answer 6

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

Answer 7

Chapter 28, Problem 1TY

Summary Introduction

Introduction: Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

Answer 8

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: If an individual is studying the evolution of animal-specific cell-to-cell signaling systems, then the representative species to choose for the observation will be Choanomonada. Hence, the correct answer is option c.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for correct answer:

The Choanomonada belongs to a group of choanoflagellates, which represent the closest living relatives of animals. The evolutionary biologists interested in the origin of animals choose Choanomonada as representative species. These organisms are believed to be the species that have closest association with the multicellular organisms (especially animals). Hence, the representative species to study the animal-specific cell-to-cell signaling system is Choanomonada.

Option c. is given as “Choanomonada”.

Choanomonada are unicellular eukaryotes whose genome is very similar to those of animals. Hence, the correct answer is option (c).

Reasons for incorrect answer:

Option a. is given as, “Rhodophyta”.

Rhodophyta is also known as red algae and they are able to perform photosynthesis. Photosynthesis is a process observed in plants and not in animals. This indicates that Rhodophyta represents a close association with plants. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option a. is incorrect.

Option b. is given as, “Discoba”.

Discoba are unicellular eukaryotes with no specific classification. Hence, option b. is incorrect.

Option d. is given as, “Radiolaria”.

Radiolarian lives in an aquatic habitat and they are heterotrophic in nature. They cannot be used to study the evolution of cell-to-cell signaling system as they do not share similarities with the animal cells. Hence, option d. is incorrect.

Option e. is given as, “Chlorophyta”.

Chlorophyta is also referred to as green algae. They contain the same photosynthetic pigments that are present in the plants. Chlorophyta performs photosynthesis and shows a close association with plants and not animals. They cannot be used to study the animal-specific cell-to-cell signaling system. Hence, option e. is incorrect.

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

Answer 12

Conclusion

Choanomonada and animals share several genes, and it represents the closest living relative of animals. Hence, it is used as representative species for the animal-specific cell-to-cell signaling studies.

Answer 13

Ch. 28.1 - An Introduction to Protists Core Skill:...Ch. 28.2 - Prob. 1CC Ch. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Prob. 4CC Ch. 28.2 - Prob. 5CC Ch. 28.3 - Prob. 1EQ Ch. 28.3 - Prob. 2EQ Ch. 28.3 - Prob. 3EQ Ch. 28.4 - Prob. 1CC

Protists are known as the Earth’s first eukaryotes. These eukaryotes are not classified in the plant, animal, or fungal kingdom. Protists are abundant in moist habitats and are microscopic in size. They are informally labeled according to their ecological roles, habitats, and the type of motility.

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Answer to Problem 1TY

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Chapter 28 Solutions