In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Chapter 30, Problem 5A

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Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Which of the following statements about the haplodiplontic life cycle of land plants is/are TRUE? A During the sporophyte stage, sporangia house diploid mother cells that will eventually undergo meiosis. B Sperm develop from mitosis in the archegonium. C Spores grow by mitosis into mature haploid gametophytes. D The gametophytic stage begins with a diploid spore. EA and C are both true.

Key features of seed plants facilitating life on land include three of the following four traits. Which of these is an exception? a. Reduced gametophytes b. Pollen c. Homospory d. Seeds Which of these will most likely happen when bryophyte spores are dispersed to a favorable habitat, such as a moist soil or tree bark? a. They will germinate and grow into sporophytes. b. They will germinate and grow into haplophytes. c. They will germinate and grow into chlorophytes. d. They will germinate and grow into gametophytes. Which of the following is the purpose of having cuticles only at the upper surface of thallus of a non-vascular plant like a moss? a. Direct water and nutrient absorption b. Efficient exchange of gases c. Faster generation of osmotic pressure in leptoids d. Easier diffusion of carbon dioxide

Which of the following statements is NOT true of the stems of vascular plants? a. Stems are composed of repeating segments, including nodes and internodes. b. Primary growth only occurs at the shoot apical meristem. c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem. d. Stems can contain stomata.

Answer 2

Question

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Answer 3

Question

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Answer 4

Question

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Answer 5

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Answer 6

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Answer 7

Chapter 30, Problem 5A

Summary Introduction

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Answer 8

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Answer 11

Ch. 30 - Which of the following plant structures is NOT...Ch. 30 - Which of the following genera most likely directly...Ch. 30 - Which of the following would NOT be found in a...Ch. 30 - Prob. 4U Ch. 30 - Evolutionary innovations that increase desiccation...Ch. 30 - Which of the following statements about the...Ch. 30 - Compare what happens to a spore mother cell as it...Ch. 30 - How could a plant without roots obtain sufficient...Ch. 30 - A major innovation of land plants is embryo...Ch. 30 - In comparing the Selaginella and Physcomitrella...

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Solution Summary: The author explains that the sporophyte generation is protected by the archegonium.

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Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

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Chapter 30 Solutions

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Solution Summary: The author explains that the sporophyte generation is protected by the archegonium.

Concept explainers

Videos

Introduction: In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.

Want to see the full answer?

Chapter 30 Solutions

Introduction:

In previous days, the seedless plants covered the earth. The seedless vascular plants are divided in to: lycophyta (club mosses), pterophyta (Ferns, horsetails) and the whisk ferns.