Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes , bryophytes , gymnosperms, and angiosperms .

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Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Club mosses, horsetails, and ferns are_______ plants. a. multicelled aquatic c. seedless vascular b. nonvascular seed d. seed-bearing vascular

Match the terms appropriately. ___ ovule a. gamete-producing body ___ cuticle b. spore-producing body ___ gametophyte c. where eggs form ___ sporophyte d. underground stem ___ fruit e. mature ovary ___ endosperm f. nutritive tissue in seed ___ rhizome g. where fern spores form ___ sorus h. secreted waxy layer

Which group of plants bears stomata only in the sporophyte generation? a. Chrysophyta b. Anthocerophyta c. Bryophyta d. Marchantiophyta Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? a. Pollen b. Dependent gametophytes c. Ovules d. Alternation of generations Which of these statements is an incorrect comparison of a pine cone and a flower in terms of structure and function? a. Pine cones and flowers both have gametophytes and modified leaves that produce spores. b. All of the statements are correct. c. Unlike pine cones, many flowers produce both pollen and ovules. d. Pine trees have separate pollen cons and ovulate cones while in flowers, pollen grains are produced by the anthers of stamens, and ovules are within the ovaries of carpels.

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Question

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Answer 3

Question

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Answer 4

Question

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Answer 5

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

Answer 6

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

Answer 7

Chapter 21, Problem 4SA

Summary Introduction

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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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...

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes , bryophytes , gymnosperms, and angiosperms .

Solution Summary: The author explains that plants are multicellular, photosynthetic eukaryotes, which evolved from unicellular alga.

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Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Chapter 21 Solutions

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes , bryophytes , gymnosperms, and angiosperms .

Solution Summary: The author explains that plants are multicellular, photosynthetic eukaryotes, which evolved from unicellular alga.

Concept explainers

Videos

Introduction: Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.

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Chapter 21 Solutions

Introduction:

Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga which had a photosynthetic pigment called chlorophyll. The plant kingdom can be divided into five divisions: thallophytes, pteridophytes, bryophytes, gymnosperms, and angiosperms.