Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 28.3, Problem 1TYK
Summary Introduction
Introduction:
Stems are located above the soil surface, which supports the plant to stand straight and hold the leaves, flowers and fruits. The stem helps the leaves to be exposed to light and provides a place for the flowers and fruits. Buds are small lateral protruding parts of the stem that develops to flower, leaf and shoot. These arise from meristem tissue.
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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?
Compare monocot, herbaceous dicot and woody dicot stems. Indicate presence or absence of the
indicated plant parts or provide a brief description of each.
Monocot
Herbaceous Dicot Woody Dicot
Bases of
Comparison
Branches (+/-)
Nodes
Internodes
Lenticels (+/-)
Leaf scars (+/-)
Terminal buds (+/-)
Axillary buds (+/-)
Color
Texture
On a separate sheet of paper, Create a table that shows:
The three plant organs
The key purposes of each (use point form)
The different types of roots and stems
Chapter 28 Solutions
Principles of Biology
Ch. 28.1 - Refer back to Figure 25.4 to see the life cycle...Ch. 28.1 - Prob. 1TYKCh. 28.1 - Prob. 2TYKCh. 28.2 - Prob. 1CCCh. 28.2 - Prob. 2CCCh. 28.2 - Prob. 1TYKCh. 28.2 - Prob. 2TYKCh. 28.3 - Prob. 1CCCh. 28.3 - Prob. 2CCCh. 28.3 - Prob. 3CC
Ch. 28.3 - Prob. 1TYKCh. 28.3 - Prob. 2TYKCh. 28.4 - Prob. 1TYKCh. 28.4 - Prob. 2TYKCh. 28.4 - Prob. 1CCCh. 28 - Where would you look to find the gametophyte...Ch. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - Prob. 5TYCh. 28 - Prob. 6TYCh. 28 - Prob. 7TYCh. 28 - Prob. 8TYCh. 28 - Prob. 1CCQCh. 28 - Prob. 2CCQCh. 28 - Prob. 3CCQCh. 28 - Prob. 1CBQCh. 28 - Prob. 2CBQ
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- The primary meristems of monocots are located in a different area of the plant body than those found in eudicots. Where are monocot meristems located and what is it about this arrangement that make them (grasses) more suitable for lawns than eudicots? Edit View Insert Format Tools Table 14pt Paragraph BIUA ev Tov| |o wordsarrow_forwardWhich parts of the leaf would be emphasized and which would be reduced in each of the following: tendrils, spines, bud scales, scale leaves of a bulb, and succulent leaves of a desert plant?arrow_forwardThe following model is considered what root? Eudicot or Monocotarrow_forward
- Protects the plant and prevents it from drying out by means of a waxy Select match cuticle. Provides support and useful for food storage. -> Select match Thick walls allow them -> Select match to support the plant and also allow it to be flexible. The brain and spinal cord, which contains special cells called Select match neurones. Skeletal or striated Select match tissue connected to the skeleton to help with movement. Tissue found on the -> Select match surface of the skin.arrow_forwardAt the tip of each root branch, there is a root cap that protects the root apical meristem beneath. True False In the fibrous root system, the primary root is replace by adventitious roots developed from the shoot tissue. True False Leaves can grow anywhere on a stem. True Falsearrow_forwardBelow is a series of pictures of a eudicot stem tip (I.s.), Coleus sp.. Much of what plant biologists have learned about leaf development have occurred by studying stem tip genetics. 40x (I.s.) Make a sketch of the 40x stem longitudinal section and upload it here with the following structures labeled: apical meristem, leaf primordium, axillary bud, procambium, vascular tissue (need to look lower down the stem for these sub-tissues), ground meristem, cortex, pitharrow_forward
- Correctly label the following structures of a plant root tip. Place your cursor on the labels for more information. Vascular cylinder Zone of maturation Xylem Epidermis Protoderm Phloem Root hair Procambium Endodermis Cortex Zone of elongation Root cap Roof apical meristem Ground meristem Pericycle IM(4) 100 Reset Zoomarrow_forwardV.arrow_forwardHow can you distinguish a simple leaf from the leaflet of a compound leaf? With a simple leaf a terminal bud will be located at the end of the stem. Buds are not located at the tips of compound leaves. Eudicots have compound leaves and monocots have simple leaves. Simple leaves are arranged alternately on a stem, but leaflets have an opposite arrangement on a rachis. Axillary buds are located where the leaf attaches to the stem. Leaflets of compound leaves do not have axillary buds. Simple leaves are larger than leaflets.arrow_forward
- Why are terminal buds considered an active part of the stem? Of what importance are nodes to the plant? What are inter nodes and where are they located?arrow_forwardCutting a cross section of a herbaceous dicotyledonous stem and amonocotyledonous stem, you will notice the differences of the arrangement oftissues and vascular bundles. Compare the cross sections by labelled illustrationsarrow_forwardlocate the following in each picture ● node● internode● leaf sheath (if possible)● lenticel (if possible)● axillary bud (if possible) please use arrow inarrow_forward
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