Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Chapter 29, Problem 4TYK

Summary Introduction

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Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Which of the following are found in gymnosperms, as well as in angiosperms? a. Fruits b. Seeds c. Cones d. Flowers

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to: A. angiosperms B. gymnosperms C. monocotyledons D. dicotyledons

Which of the following statements describes a difference between gymnosperms and angiosperms? a. Gymnosperms are nonvascular plants; angiosperms are vascular plants. b. Gymnosperms are seed-bearing vascular plants; angiosperms are seedless vascular plants. c. The seeds of gymnosperms are contained within a fruit; angiosperm seeds are "naked." d. Gymnosperms are seedless vascular plants; angiosperms are seed-bearing vascular plants. e. The seeds of gymnosperms are "naked"; angiosperm seeds are contained within a fruit.

Answer 2

Question

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Answer 3

Question

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Answer 4

Question

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Answer 5

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

Answer 6

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

Answer 7

Chapter 29, Problem 4TYK

Summary Introduction

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

Answer 8

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Answer 11

Ch. 29.1 - What major reproductive adaptations facilitated...Ch. 29.1 - How did seeds, pollen, and pollination affect the...Ch. 29.2 - Why are gymnosperms called naked seed plants?Ch. 29.2 - Prob. 2SB Ch. 29.2 - Summarize the steps of the pine life cycle.Ch. 29.3 - Prob. 1SB Ch. 29.3 - Prob. 2SB Ch. 29.4 - Prob. 1SB Ch. 29.4 - Prob. 2SB Ch. 29.5 - Name four major ways human societies rely on seed...

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

Solution Summary: The author concludes that the double fertilization process in the gnetophytes shows their evolutionary advancement.

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Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Chapter 29 Solutions

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

Solution Summary: The author concludes that the double fertilization process in the gnetophytes shows their evolutionary advancement.

Concept explainers

Videos

Introduction: Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.

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Chapter 29 Solutions

Introduction:

Double fertilization is a complex mechanism of fertilization. It involves the fusion of a female gametophyte and two male gametophytes. This sexual reproduction is the main feature of the angiosperms.