Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Chapter 21, Problem 8SA

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Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Meiosis of cells in pollen sacs forms haploid______ . a. megaspores c. stamens b. microspores d. sporophytes

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2. A. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei. A.If statement A is wrong and B is correct. B.If both statements are wrong. C.If both statements are correct. D.If statement A is correct and B is wrong. 3. A. Inside a pollen grain there is a tube cell and generative cell. B. Generative cell divides to produce two sperm cells while the tube cell becomes pollen tube elongates along the style. A.If both statements are correct. B.If statement A is wrong and B is correct. C.If statement A is correct and B is wrong. D.If both statements are wrong.

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Question

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Answer 3

Question

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Answer 4

Question

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Answer 5

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

Answer 6

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

Answer 7

Chapter 21, Problem 8SA

Summary Introduction

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Answer 11

Ch. 21 - The first plants were_________. a. ferns c....Ch. 21 - Which of the following statements is false? a....Ch. 21 - In bryophytes, eggs are fertilized in a chamber on...Ch. 21 - Prob. 4SA Ch. 21 - Coal consists primarily of compressed remains of...Ch. 21 - Prob. 6SA Ch. 21 - Prob. 7SA Ch. 21 - Prob. 8SA Ch. 21 - Only angiosperms produce_______. a. pollen c....Ch. 21 - The _______do not have xylem or phloem. a. mosses...

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

Solution Summary: The author explains that spores of ferns and horsetails are haploid, whereas sporophyte produced after fertilization is diploid.

Concept explainers

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

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Chapter 21 Solutions

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

Solution Summary: The author explains that spores of ferns and horsetails are haploid, whereas sporophyte produced after fertilization is diploid.

Concept explainers

Introduction: Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.

Want to see the full answer?

Chapter 21 Solutions

Introduction:

Ferns and horsetails are seedless vascular plants. These have short-lived and tiny gametophyte. The spores are developed inside the gametophyte and released directly into the environment. The spore of the fern develops inside the sour by meiosis.