Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

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Answer 1

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Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

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Answer 2

Question

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

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Answer 3

Question

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

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Answer 4

Question

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

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Answer 5

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

Answer 6

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

Answer 7

Chapter 18, Problem 5FIB

Summary Introduction

Introduction:

Reproduction out of water presented challenges to the plants such as plant produce eggs and sperms and these gametes must meet to produce the next generation. The first land plant has swimming sperms. Meanwhile, some plants residing in drier regions had evolved a means of reproduction that no longer depended on water. The eggs of such plants retained on the parent plant and sperms were “encased in drought-resistant pollen grains” that were carried by wind from plant to plant for pollination.

Answer 8

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Answer 11

Ch. 18.1 - describe a likely scenario for the origin of life?Ch. 18.1 - How Would the experiments result charge if oxygen...Ch. 18.1 - describe, for each step in the scenario, some...Ch. 18.2 - describe scenarios for the major evolutionary...Ch. 18.2 - Uranium-235, with a half-life of 713 million...Ch. 18.2 - State the order in which these events occurred,...Ch. 18.2 - Scientists have identified a free living bacterium...Ch. 18.3 - describe fossil evidence of the earliest...Ch. 18.3 - describe the advantages that fostered the origin...Ch. 18.3 - Prob. 3CYL

Solution Summary: The author explains that early plants that protected their seeds inside cones were known as conifers. Later, some plants evolved flowers to attract animals.

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