Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 29, Problem 7TYK
Summary Introduction
Introduction: The early land plants are the first to appear on the land about 470 million years ago. These plants are non-vascular plants and do not have deep roots. Some of the early land plants are
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What traits do bryophytes and tracheophytes have in common? Check all that you think apply.A) they both undergo alternation of generationsB) they both have chlorophylls a and b.C) they both have an asexual life cycle stage.D) they both have multicellular gametangiaE) they both have apical meristems
Why must bryophytes inhabit damp environment? It is because *
A. their sporophyte generation is dependent on the gametophyte.
B. their sperm must swim to reach the egg.
C. they do not have woody tissues.
D. females can produce only one archegonium.
Compare and contrast bryophytes (e.g. mosses) and seedless vascular plants (e.g. ferns). What differences exist between these classifications of plants, and how have these differences become evolutionarily advantageous?
Chapter 29 Solutions
Biology - Study Guide
Ch. 29 - List some of the benefits and challenges of a...Ch. 29 - The gametophyte produces a. _____ by b._____....Ch. 29 - Why are the seedless vascular plants considered a...Ch. 29 - Review the life cycle of a typical moss plant by...Ch. 29 - Describe the traits of vascular plants that enable...Ch. 29 - In the following diagram of the life cycle of a...Ch. 29 - The evolution of land plants involved adaptations...Ch. 29 - The diagram on the following page presents a...Ch. 29 - Which of the following is a derived trait of...Ch. 29 - Plants are thought to be most closely related to...
Ch. 29 - Early land plants lacked true roots but were able...Ch. 29 - Which of the following groups is most likely the...Ch. 29 - Prob. 5TYKCh. 29 - Where would you look for the sporophyte generation...Ch. 29 - Prob. 7TYKCh. 29 - Which of the following is a group of vascular...Ch. 29 - Bryophytes were the dominant plants in the first...Ch. 29 - Which of the following plant groups is incorrectly...Ch. 29 - Which of the following constitute a large store of...Ch. 29 - Which of the following best describes megaphylls?...Ch. 29 - If a plants life cycle includes separate male and...Ch. 29 - Xylem and phloem are found in a. all land plants....Ch. 29 - If you could take a time machine back to the...
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- What key traits distinguish each group from the other listed in the comparison? A) All land plants from green algae? B) Pteridophyta (ferns) from Bryophyta (mosses)? C) Angiosperms from ferns?arrow_forwardWhich living group diverged earlier than all other living vascular plants? a. Lycophytes b. Gymnosperms c. Monilophytes d. Angiospermsarrow_forwardWhich of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forward
- In bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; conearrow_forwardThe land plants are probably descendants of which of these groups? a. green algae b. red algae c. brown algae d. angiospermsarrow_forwardWhich of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forward
- The bryophytes (a) include mosses, liverworts, and hornworts (b) include whisk ferns, horsetails, and club mosses (c) are small plants that lack a vascular system (d) a and c (e) b and carrow_forwardAre monocots considered basal or core angiosperms? Explain your answer.arrow_forwardThe following evolutionary trends are seen in the seedless land plants. a. Gametophytes became photosynthetic. b. A key innovation accompanying the appearance of pterophytes was the haplodiplontic life cycle. c. The gametophyte generation became the dominant generation. d. There is increased protection of the sporophyte generation in its early developmental stages.arrow_forward
- What are leaves? what are the two types? What is the difference between homosporous plants and heterosporous plants? What are megaspores and microspores? What was significance of the ecological role of seedless vascular plants back when they dominated terrestrial habitats? Why is that so important to our modern world today?arrow_forwardWhich statement about bryophytes is not correct? A. They lack xylem and phloem B. The dominant phase of their life cycle is diploid C. They are the first land plants D. Sperm can be aided in their travel to the egg by insects E. They have cells with 9+2 flagellaarrow_forwardWhich of the following statements characterize the megaphyll line of evolution? A) They differ from microphylls by developing a single, unbranched vein rather than a branched vascular system.B) They are believed to have evolved from branching telomeres that flattened and developed photosynthetic tissue between the branches.C) They developed into leaves that can also be called lycophyllsD) They developed into the large leaves of the angiospermsarrow_forward
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