Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 22.4, Problem 2TC
Perhaps surprisingly, a
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Characteristic of plants to survive on land
Select the following characteristics that allowed plants to survive and reproduce in a land environment.
A) Develop a means to prevent their cells and tissues form drying out
B) Enclosing the chloroplast in a double membrane to protect the pigments from UV radiation
C) Develop a system to transport water and nutrients to their cells
D) Strengthen their cell wall with cellulose to support cells against gravity
E) Reproductive structures had to change to disperse gametes in the absence of water
F) Develop chlorophyll a and b for photosynthesis
G) Protect their embryos from the temperature and moisture variations of life on land
H) Storage of excess carbohydrates as starch
4) There are several other animal models that display regenerative properties
including the zebrafish, salamander, and hydra. What specific strengths do
planarians offer that makes studying regeneration feasible?
5) Discuss any one conceptual problem that can be addressed by studying
regeneration in planaria. The discussion should include what is the problem and
how does planaria help in studying the problem? I
6) What is a blastema? Where is it formed and how does it appear?
Plants play a key role in the terrestrial environments of Earth. I) If plants had not colonized land – how would terrestrial ecosystems differ today? ii) Other than a source of food – what are two specific beneficial roles plants play in human society?
Chapter 22 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 22.1 - describe the features that distinguish plants from...Ch. 22.2 - describe the probable ancestor of plants?Ch. 22.2 - identify the closest living relatives of plants...Ch. 22.2 - describe the adaptations that equip plants for...Ch. 22.2 - In stark contrast to the stinking corpse lily and...Ch. 22.3 - Why are all nonvascular plants short?Ch. 22.3 - In each of these photos, is the pictured structure...Ch. 22.3 - Can you think of some adaptations that help...Ch. 22.3 - What are the advantages and disadvantages of wind...Ch. 22.3 - Which Plant Provide Us with the Most Food?
Ch. 22.3 - Prob. 1CYLCh. 22.3 - describe the major plant taxonomic groups and...Ch. 22.3 - describe the key steps in the life cycles of...Ch. 22.3 - The stinking corpse lily harms species it...Ch. 22.4 - In the initial trials with Argemone mexicana in...Ch. 22.4 - describe some of the effects that plants have on...Ch. 22.4 - Perhaps surprisingly, a parasitic lifestyle is not...Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Which of the following are not nonvascular plants?...Ch. 22 - Which of the following structures is present in...Ch. 22 - In which of the following is the gametophyte stage...Ch. 22 - Prob. 5MCCh. 22 - Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - Seedless vascular plants must reproduce when...Ch. 22 - Three groups of nonvascular plants are __________,...Ch. 22 - What is meant by alternation of generations? What...Ch. 22 - Prob. 2RQCh. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - From which algal group did green plants probably...Ch. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Prob. 1ACCh. 22 - Prob. 2AC
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