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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 22, Problem 15SQ
Textbook Problem
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Place these groups. in order of their appearance with the oldest lineage first and the most recently evolved last.

_____ 1 a. ferns
_____ 2 b. cycads
_____ 3 c. eudicots
_____ 4 d. mosses

Summary Introduction

To order: The groups in order of their appearance with the oldest lineage first and most recently evolved last.

Introduction: The plants are multicellular, photosynthetic eukaryotes on land. They are close to green algae as they have cellulosic cell walls, chloroplasts, and store starch. It is estimated that first land plants evolved about 500 million years ago. They were non-vascular plants including liverworts, mosses, and hornworts, which is collectively known as bryophytes. These were followed by seedless vascular plants including ferns, horsetails, and club mosses. The two modern lineages are seed plants with vascular tissues that are gymnosperms and angiosperms.

Explanation of Solution

The first land plant lineage evolved about 500 million years ago and included mosses. They were non-vascular, seedless, reproduce using spores, and had gametophyte dominant life cycle. Then seedless vascular plants evolved including ferns and had sporophyte dominant...

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