BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Chapter 22, Problem 2FTB
Plant adaptations to life on land include a(n) _______ which reduces evaporation of water, and _______, which open to allow gas exchange but close when _______ is scarce. In addition, the bodies of vascular plants gain increased support from _______ and _______ impregnated with the
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Chapter 22 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Prob. 2MCCh. 22 - Prob. 3MCCh. 22 - 4. In which of the following is the gametophyte...Ch. 22 - Prob. 5MCCh. 22 - 1. Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - 3. Seedless vascular plants must reproduce when...Ch. 22 - 4. Three groups of nonvascular plants are _______,...Ch. 22 - 1. What is meant by “alternation of generations”?...
Ch. 22 - 2. Explain the evolutionary changes in plant...Ch. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - Prob. 4RQCh. 22 - List the structural adaptations necessary for the...Ch. 22 - The number of species of flowering plants is...Ch. 22 - List the adaptations of gymnosperms that have...Ch. 22 - What is a pollen grain? What role has it played in...Ch. 22 - The majority of all plants are seed plants. What...Ch. 22 - 1. Prior to the development of synthetic drugs,...Ch. 22 - 2. Only a few hundred of the more than 200,000...
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- Explain: Internally, cycad stems are similar to those of seed ferns— a thick cortex containing secretory ducts surrounds a small amount of manoxylic (parenchymatous) wood.arrow_forwardSeed plants lack which of the following structure(s)? (a) ovules surrounded by integuments (b) microspores and megaspores (c) vascular tissues (d) a large, nutritionally independent sporophyte (e) a large, nutritionally independentgametophytearrow_forwardExplain why seedless vascular plants are not considered to be fully successful terrestrial plants even though they are widespread throughout the planet and contain vascular tissues for transporting materials.arrow_forward
- This is the specific tissue that comprise the phloem fiber cap in dicot herbaceous stem. _______________________________ What is the modified function of cladophylls? __________________________ Epiterranean stems that grow in a horizontal direction. __________________ Modified aerial stem that function for support and storage. ____________________________arrow_forwardDescribe the unique features of the following specialized roots in plants. What benefit do plants derive from this type of specialized roots - Mycorrhizae - Root nodulesarrow_forwardWhich of the following statements are true of xylem? A) It is found in all land plants.B) It assists in conducting of materials, such as water and minerals, throughout the plant.C) It can provide structural support to the plant.D) It is found in the gametophyte generation, but not in the sporophyte.E) It contains specialized cells known as tracheids and vessel elementsarrow_forward
- The fifth concept used to understand plants is that plants must survive in their own _______________________. Imagine a plant adapted to a desert and one adapted to a rain forest. Do you think that the leaves of one might be different from the leaves of the other? That one might have enlarged roots that can store water and the other would not need these? Would it be easier to understand a plant’s anatomy and physiology, all its biology, if we also know the type of habitat to which it is adapted?arrow_forwardIdentify three major functions of roots. Describe two types of specialized stems. What is each type of stem specialized for? Discuss the main parts of an angiosperm leaf. Predict how the stem of a desert plant might be specialized for its environment. Contrast a taproot system with a fibrous root system. Relate leaf variation to environmental variation.arrow_forwardi) list TWO adaptations that show that the plant conserves water.ii) Photosynthetic cells produce starch and may be stored. Describe how one may test for the presence of starch on a piece of potato tissue. iii) Give TWO characteristics of monocotyledonous plants. d. The transition of plants from an aquatic environment to a terrestrial one has broughtabout many evolutionary adaptations for plants to survive on land. Give ONE adaptationfor each of the following divisions:i) Mosses: ii) Gymnosperms.arrow_forward
- Examine an image of longitudinal section through a Coleus stem tip. Draw the apical meristem, leaf primordia (developing leaf), bud primordia (developing axillary buds), nodes, and internodes. How many phytomeres are present in this preparation? Beginning with the apical meristem, follow the development of shoot tissues. Label protoderm, procambium, and ground meristem, pith, and cortex. You will not be able to identify any mature cells or tissues in this slide (keep in mind the size of the shoot tip).What are the mature tissues that each of these primary meristems become?arrow_forwardWhich of the following statements is NOT true of the stems of vascular plants? a. Stems are composed of repeating segments, including nodes and internodes. b. Primary growth only occurs at the shoot apical meristem. c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem. d. Stems can contain stomata.arrow_forwardGiven that (a) xylem is located toward the upper epidermis in leaf veins and phloem is located toward the lower epidermis and (b) the vascular tissue of a leaf is continuous with that of the stem, suggest one possible arrangement of vascular tissues in the stem that might account for the arrangement of vascular tissue in the leaf.arrow_forward
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