The simplest and most ancient phylum of modern land plants is probably a. the pteridophytes. b. the cycads. c. the liverworts, mosses, or hornworts. d. the angiosperms. e. none of the above.

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Answer 1

Textbook Question

Chapter 31, Problem 1TY

The simplest and most ancient phylum of modern land plants is probably

a. the pteridophytes.
b. the cycads.
c. the liverworts, mosses, or hornworts.
d. the angiosperms.
e. none of the above.

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

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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

Textbook Question

Chapter 31, Problem 1TY

The simplest and most ancient phylum of modern land plants is probably

a. the pteridophytes.
b. the cycads.
c. the liverworts, mosses, or hornworts.
d. the angiosperms.
e. none of the above.

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

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

Answer 3

Textbook Question

Chapter 31, Problem 1TY

The simplest and most ancient phylum of modern land plants is probably

a. the pteridophytes.
b. the cycads.
c. the liverworts, mosses, or hornworts.
d. the angiosperms.
e. none of the above.

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

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Answer 4

Textbook Question

Chapter 31, Problem 1TY

The simplest and most ancient phylum of modern land plants is probably

a. the pteridophytes.
b. the cycads.
c. the liverworts, mosses, or hornworts.
d. the angiosperms.
e. none of the above.

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

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

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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

Conclusion

Liverworts, mosses, or hornworts are the simplest and ancient group of modern plants.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction: The angiosperms are known as flowering plants and they also produce seeds. Bryophyta is a phylum which is divided into three divisions, namely the hornworts, liverworts, and the mosses. Pteridophytes are also divided into three divisions and they are the horsetails, ferns, and the lycophytes.

Answer 12

Answer to Problem 1TY

Correct answer: The most ancient and simplest phylum of modern land plants is the liverworts, hornworts, or mosses. Hence, the correct answer is option c.

Answer 13

Explanation of Solution

Reason for correct answer:

Liverworts, hornworts and mosses do not possess any roots, and they do not have vascular tissues as well. These land plants are very small ancient plants. They are usually found in the moist environment as they lack vascular tissues. They are considered as one of the earliest evolving plants.

Option c. is given as, “the liverworts, mosses, or hornworts”.

Liverworts, hornworts and mosses are the most ancient phylum, and the simplest of the modern land plants. Hence, option c. is correct.

Reasons for incorrect answer:

Option a. is given as, “the pteridophytes”.

Pteridophytes possess vascular tissues xylem and phloem and they are taller than the bryophytes. Therefore, they cannot be considered as simplest plant. Hence, option a. is incorrect.

Option b. is given as, “the cycads”.

The cycads belong to gymnosperms and it is not the simplest modern land plants. Hence, option b. is incorrect.

Option d. is given as, “the angiosperms”.

Angiosperm is the most recently evolved plant and it has a highly developed phylum. They are also known as flowering plant. Hence, option d. is incorrect.

Option e. is given as, “none of the above”.

In all the given option, liverworts, mosses, or hornworts are the simplest and ancient plants. Hence, option e. is incorrect.

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