Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 35, Problem 9TYU
EVOLUTION CONNECTION Evolutionary biologists have coined the term exaptation to describe a common occurrencc in the evolution of life: A limb or organ evolves in a particular context but over time takes on a new function (see Concept 25.6). What are some examples of exaptations in plant organs?
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Some ancestral plants had a difficult transition to land, as challenges to survive caused plant evolution to develop very specialized adaptations over an extended amount of time. These are some
of the challenges that plants faced:
A. Avoiding desiccation
B. Supporting larger bodies (against gravity)
C Internally transporting substances
D. Keeping gametes wet
E. Keeping embryos wet
For each of the above challenges. provide a structure/adaptation that plants have developed which mitigates that specific challenge. Must describe a structure or trait for all!
Name 4 different evolutionary adaptations that allowed plants to survive on land instead of in water. Explain the significance of each adaptation-how does it help terrestrial plants?
Describe a modified structure and function of the following plant organs:
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Stem -
Root -
Chapter 35 Solutions
Campbell Biology (11th Edition)
Ch. 35.1 - Prob. 1CCCh. 35.1 - WHAT IF? If humans were photoautotrophs, making...Ch. 35.1 - Prob. 3CCCh. 35.2 - Prob. 1CCCh. 35.2 - Prob. 2CCCh. 35.2 - Prob. 3CCCh. 35.3 - Prob. 1CCCh. 35.3 - Prob. 2CCCh. 35.3 - Prob. 3CCCh. 35.4 - A sign is hammered into a tree 2 m from the tree's...
Ch. 35.4 - Prob. 2CCCh. 35.4 - Would you expect a tropical tree to have distinct...Ch. 35.4 - Prob. 4CCCh. 35.5 - How can two cells in a plant have vastly different...Ch. 35.5 - Prob. 2CCCh. 35.5 - Prob. 3CCCh. 35 - Prob. 35.1CRCh. 35 - Prob. 35.2CRCh. 35 - Prob. 35.3CRCh. 35 - Whht advantages did plants gain from the evolution...Ch. 35 - Prob. 35.5CRCh. 35 - Most of the growth of a plant body is the result...Ch. 35 - Prob. 2TYUCh. 35 - Prob. 3TYUCh. 35 - The phase change of an apical meristem from the...Ch. 35 - Supposc a flower had normal expression of genes A...Ch. 35 - Prob. 6TYUCh. 35 - Which of the following would not be seen in a...Ch. 35 - Prob. 8TYUCh. 35 - EVOLUTION CONNECTION Evolutionary biologists have...Ch. 35 - SCIENTIFIC INQUIRY Grasslands typically do not...Ch. 35 - SCIENCE, TECHNOLOGY, AND SOCIETY Hunger and...Ch. 35 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 35 - SYNTHESIZE YOUR KNOWLEDGE This stained light...
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- The rapid turgor movements of the sensitive plant (Mimosa pudica) are rare in the Plant Kingdom. If all plants evolved such movements, would the phenomenon have possible survival value or other value to the plants? Explain.arrow_forwardRoots, stems and leaves have become modified in a variety of ways over evolutionary time.describe any two actual modified plant structures, including their function and whether they are modified roots, stems or leaves.arrow_forwardThe section Evolution of Seeds describes the fossil seeds Archaeosperma arnoldii. Its megasporangium was surrounded by a layer of tissue, called an that projected upward, and there was a large , a hole that permitted sperm cells to swim to the egg. If you have studied flowering plant reproduction, how many of these same features occur in flowering plants?arrow_forward
- Describe at least three specializations in plant organs and plant cellsthat are adaptations to life on land.arrow_forwardWhich of the following statement is NOT TRUE about plants? Lütfen birini seçin: O a. A plant can grow throughout its life; this is called indeterminate growth O b. Plants are the only organism capable of photosynthesis O c. Fruits in plants protect seeds and aid in seed dispersal O d. The plant body is divided into a root system and a shoot system, connected by vascular tissue that is continuous throughout the plant O e. the transfer of pollen from anther to stigma is called pollinationarrow_forwardList two evolutionary advantages (one point each) that a plant that makes vascular tissue would have over a plant that does not have the ability to create vascular tissue.arrow_forward
- Discuss four key evolution innovations in plants.arrow_forwardThe division of labor among various types of cells in plants is important. As shown, and name the cells responsible for the following tasks:a. Collecting solar energyb. Transporting waterc. Cell division and the production of new protoplasmd. Water retentione. Having pigments that attract pollinatorsf. Producing poisons that inhibit animals from harming the plantsarrow_forwardIn the vascular bundles of flowering plants, protoxylem is closest to the center of the stem, and metaxylem is father out. Is this an endarch or an exarch arrangement, but what about the early vascular plants. Were they endarch or exarch, or did both types occur originally?arrow_forward
- EXPERIMENT: INITIATION OF CALLUS AND CELL SUSPENSION IN SELECTED PLANTS Please make a general introduction paragraph about this experiment.arrow_forwardBoth plants and Echinoderms have vessel like element that move water (plants have xylem, Echinoderms have a water vascular system). Is there ever a point (and if so, when and why) that xylem moves sugars? And is this a case of convergent or coevolution in terms of the vessels?arrow_forwardPut the following 3 fictional plants in order from earliest to most recent according to their characteristics: A. The Terpad Plant: This plant reproduces using spores and has proper leaves and vascular tissue. B. The Feltris Plant: The Feltris plant lives in moist environments since it doesn't have any vascular tissue to maintain hydration throughout the plant. This plant has no roots either but has small root-like structures called rhizoids which help anchor them to the ground. Water is also required in order for fertilization. C. The Lancelot Plant: This plant can grow in either moist or dry environments, has true roots, stems and leaves and reproduces via seeds which develop within an ovary.arrow_forward
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