Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 35, Problem 1SYK
How does the indeterminate growth pattern of plants lead to developmental plasticity? What is the adaptive advantage of such plasticity?
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In a common eudicot pattern of development for the common bean in the figure, the radicle emerges from the seed (1), then begins to develop into a primary root that grows down into the soil. As this occurs, the hypocotyl emerges from the seed and bends into the shape of a hook (2). The bent hypocotyl lengthens and pulls the cotyledons upward (3). When the hypocotyl reaches the soil surface, exposure to light causes it to straighten (4). Primary leaves emerge from between the cotyledons and begin photosynthesis. The cotyledons typically undergo a period of photosynthesis before shriveling (5). Eventually, the cotyledons fall off the lengthening stem, and the young plant’s new leaves produce all of its food.
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Chapter 35 Solutions
Study Guide for Campbell Biology
Ch. 35 - Prob. 1IQCh. 35 - Prob. 2IQCh. 35 - Prob. 3IQCh. 35 - Prob. 4IQCh. 35 - Prob. 5IQCh. 35 - Prob. 6IQCh. 35 - Plant biologists use CRISPR-Cas technology to...Ch. 35 - Review the role of microtubules in the orientation...Ch. 35 - The following diagram depicting the ABC hypothesis...Ch. 35 - How does the indeterminate growth pattern of...
Ch. 35 - Prob. 2SYKCh. 35 - Which of the following is not a reason that...Ch. 35 - Prob. 2TYKCh. 35 - Prob. 3TYKCh. 35 - Prob. 4TYKCh. 35 - Prob. 5TYKCh. 35 - Prob. 6TYKCh. 35 - Prob. 7TYKCh. 35 - Which of the following is not a primary meristem?...Ch. 35 - Prob. 9TYKCh. 35 - Prob. 10TYKCh. 35 - Prob. 11TYKCh. 35 - You are a companion cell in an angiosperm. What...Ch. 35 - Prob. 13TYKCh. 35 - Prob. 14TYKCh. 35 - Prob. 15TYKCh. 35 - The results from genetic studies of which of the...Ch. 35 - Prob. 17TYKCh. 35 - Prob. 18TYK
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- What is the biological importance of a flower? What is the difference between microsporogenesis and megasporogenesis?arrow_forwardWhat are the different modifications of adventitious roots? Explain with examples.arrow_forwardIn the heart embryo stage of Arabidopsis thaliana, there are three key anatomical features that are essential for plant development. The red highlighted cells will become the the yellow highlighted cells will become the and the two "lobes" of the heart will become the suspensor; apical meristem; seed coat basal daughter cell; apical daughter cell; cotyledons shoot apical meristem; root apical meristem; taproots suspensor; shoot apical meristem; taproots root apical meristem; shoot apical meristem; cotyledonsarrow_forward
- Compare the leaf structure of Nerium to Ligustrum. Look for stomata. Where are they located? On the upper or lower leaf surface? How is the surface of the leaf modified? Can you recognize why these leaves are said to have “sunken stomata”? Look for “hairs” on the leaf surface. Where are they located? How are they advantageous? How does the appearance of each tissue layer in Nerium differ from Ligustrum? Compare the upper epidermis to the lower epidermis. Compare the amount of cuticle.arrow_forwardWhat is the difference between the apical meristem and lateral meristem? shoot apical meristems lateral meristems root apical meristems Apical meristemic tissue is responsible for primary growth at the root and shoot tips. Lateral meristemic tissue is responsible for secondary growth with an increase in diameter of the stem. Apical meristemic tissue is responsible for secondary growth with an increase in diameter of the stem. Lateral meristemic tissue is responsible for primary growth at the root and shoot tips. Lateral meristematic tissue is only found in annual plants. O Apical meristemic tissue is only found in woody plants.arrow_forwardWhat are the molecular mechanisms that regulate the development and differentiation of plant tissue systems, such as the vascular, meristematic, and epidermal systems, and how do these processes contribute to the growth and adaptation of plants to their environment?arrow_forward
- When describing vegetative propagation, what is meant by the proximal end of a cutting? Group of answer choices A)The end that has buds on it B)The end closest to the base or roots of the plant C)The end closest to the growing tips of the plant D)The plumule inside a baby seedarrow_forwardExamine the shoot system of a mature plant (Coleus blumei). Identify the shoot tip, nodes, internodes, leaves, and axillary buds. Each unit of stem that consists of a leaf, axillary bud and internode is referred to as a phytomere. Note that axillary buds always occur above a leaf. Axillary buds give rise to branch shoots. Thus, branching in a shoot system is exogenous (of external origin). How does this compare to branching in a root system?arrow_forwardHow does the absence of a cap at a shoot apex differ from the apical meristem of a root?arrow_forward
- What are the morphological differences between darkand light-grown plants? Explain how etiolation helps aseedling compete successfully.arrow_forwardWhat is the evolutionary trend in the alternation of generation in plants? Elaborate on adaptive advantages of this trend.arrow_forwardwhat is the process of growth that leads to the formation of annual rings in the woody stem?arrow_forward
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