Biology (MindTap Course List)
10th Edition
ISBN: 9781285423586
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 34, Problem 4TYU
Summary Introduction
Introduction: The leaf consists of various tissues. A layer of epidermis is present in the upper and lower surfaces of a leaf blade. The upper surface of the leaf blade covers the upper surface of a leaf and the lower surface of the blade covers the lower surface of the leaf. Leaf epidermal cells lack chloroplast and are relatively transparent.
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Exercise II Bryophyta: The Mosses
Examine with the dissecting microscope the mosses that are available. The "leafy" plants
are the gametophytes and any elongated structures growing above them are the
sporophytes. (See text Figure 16-27, page 385.)
15. Label the following in Figure 5 below: spores, zygote, protonema, gametophyte,
meiosis, female, male, sporophyte, archegonia, sperm, sporangium.
Capsule
(n)
9
"Bud"
Mature
(2n)
Female
(n)
1n
2n
Young
sporophyte
(2n)
gametophyte
(n)
82
Antheridia
gametophyte
(n)
Embryo (2n)
water
E88
Female
-gametophyte
(n)
sperm
Fertilization
(2n)
Figure 5. Moss Life Cycle (drawn by Stephanie Preising, SCSU '20)
Obtain a gametophyte and observe its symmetry, its leaf like structures, its axis (pseudo-
stem), and is rhizoids. Some species of mosses are unisexual; others are bisexual.
The moss gametophyte originates as budlike structures that develop from a protonema
(plural: protonemata), a system of branching filaments derived from a germinating spore.
Chapter 34 Solutions
Biology (MindTap Course List)
Ch. 34.1 - Prob. 1LOCh. 34.1 - Prob. 2LOCh. 34.1 - Prob. 3LOCh. 34.1 - Prob. 4LOCh. 34.1 - How are leaves adapted to conserve water?Ch. 34.1 - Prob. 2CCh. 34.1 - What are the two types of vascular tissue in a...Ch. 34.1 - How is the leaf organized to deliver the raw...Ch. 34.2 - Prob. 5LOCh. 34.2 - Prob. 6LO
Ch. 34.2 - How does blue light trigger stomatal opening?Ch. 34.2 - Prob. 2CCh. 34.3 - Discuss transpiration and its effects on plants.Ch. 34.3 - Prob. 8LOCh. 34.3 - Prob. 1CCh. 34.3 - How do environmental factors (sunlight,...Ch. 34.3 - Prob. 3CCh. 34.3 - Prob. 4CCh. 34.4 - Define leaf abscission, explain why it occurs, and...Ch. 34.4 - Why do many woody plants living in temperate zones...Ch. 34.4 - Prob. 2CCh. 34.4 - Prob. 3CCh. 34.5 - Prob. 10LOCh. 34.5 - Prob. 1CCh. 34.5 - Prob. 2CCh. 34.5 - What are some of the specialized features of the...Ch. 34 - Prob. 1TYUCh. 34 - Prob. 2TYUCh. 34 - Prob. 3TYUCh. 34 - Prob. 4TYUCh. 34 - Which of the following is not an adaptation of...Ch. 34 - Prob. 6TYUCh. 34 - At sunrise, the accumulation in the guard cells of...Ch. 34 - Prob. 8TYUCh. 34 - Prob. 9TYUCh. 34 - Modified leaves that enable a stem to climb are...Ch. 34 - There is a trade-off between photosynthesis and...Ch. 34 - Suppose that you are asked to observe a micrograph...Ch. 34 - Prob. 13TYUCh. 34 - Prob. 14TYUCh. 34 - What might be some of the advantages of a plant...Ch. 34 - Prob. 16TYUCh. 34 - Prob. 17TYU
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- 7. The vascular tissue that transports water and minerals from the soil to the rest of the plant is the (a) phloem. (b) phlegm. (c) leaf. (@) хуlет. 8. The vascular tissue that transports sugars from photosynthetic tissues to the rest of the plant is (a) phloem. (b) phlegm. (c) leaf. (d) хуlеm. 9. In most land plants, the generation is the dominant one (a) diploid sporophyte (b) diploid gametophyte (c) haploid sporophyte (d) haploid gametophyte 10. In seed plants, the helps transfer of sperm from the pollen grain to the egg. (a) sepal (b) рetal (c) tuberous ovule (d) pollen tubearrow_forwardWith explanation pleasearrow_forwardExercise II Bryophyta: The Mosses de Examine with the dissecting microscope the mosses that are available. The "leafy" plants are the gametophytes and any elongated structures growing above them are the sporophytes. (See text Figure 16-27, page 385.) 15. Label the following in Figure 5 below: spores, zygote, protonema, gametophyte, meiosis, female, male, sporophyte, archegonia, sperm, sporangium. € Capsule (n) Mature (2n) Female (n) 1n 2n Young sporophyte (2n) gametophyte (n) Antheridia gametophyte (n) 82 Embryo (2n) water Egg Female, gametophyte (n) sperm Fertilization (2n) Figure 5. Moss Life Cycle (drawn by Stephanie Preising, SCSU '20) Obtain a gametophyte and observe its symmetry, its leaf like structures, its axis (pseudo- stem), and is rhizoids. Some species of mosses are unisexual; others are bisexual. The moss gametophyte originates as budlike structures that develop from a protonema (plural: protonemata), a system of branching filaments derived from a germinating spore.arrow_forward
- The cell walls of parenchyma cells (a) contain large quantities of pectin in the thickened corners (b) are rich in lignin but do not contain hemicelluloses and pectin (c) are predominantly cellulose, although they also contain hemicelluloses and pectin (d) contain cellulose, hemicelluloses, and ligninin approximately equal amounts (e) contain hemicelluloses, pectin, and lignin but no cellulosearrow_forwardTest Your Understanding Know and Comprehend 1. Seed 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 independent gametophytearrow_forwardLab 6- Vascular Plant Structures What are the 4 main tissue types discussed (from the outline on p.127) Know this terminology if asked to locate/identify the following: vascular cylinder, vascular bundle, ground tissue, epidermis, palisade mesophyll, spongy mesophyll, guard cells, stoma, xylem, phloem. Can you determine if a plant is a monocot or dicot just by looking at the pattern of the roots? The pattern of the veins in the leaf? The pattern of the vascular bundles in the stem?arrow_forward
- Show all working explaining detailly each step Solution should be typewritten with a computer keyboard!arrow_forwardThe apoplast is (a) a layer of cells that surround the vascular region in roots (b) the layer of cells just inside the endodermis (c) a system of interconnected plant cell walls through which water moves (d) the central cylinder of the root that comprises the vascular tissues (e) a continuum of cytoplasm of many cells, all connected by plasmodesmataarrow_forwardStomata (a) help prevent desiccation of plant tissues (b) transport water and minerals through plant tissues (c) allow gas exchange for photosynthesis (d) strengthen cell walls (e) produce male gametesarrow_forward
- The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forward2. Secondary growth in stems involves two meristems. Identify and describe these two meristems, explain what tissues they are responsible for producing (including their functions), and explain the direction of cell division in which those tissues are produced in relation to the epidermis. For the last part of this question referring to the direction of cell division, make sure to address why cell division is occurring in two different planes. Also, as part of your answer, name and explain the functions of the tissues from the center of the stem to the dermal layer, in order, for a stem conducting secondary growth.arrow_forwardChoose the correctly matched among the following A) Epidermal tissue system – Root hairs B) Collenchyma – Dead cells C) Fibres – Water conduction D) Meristem – Fruit wallsarrow_forward
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