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Meristem

Campbell Biology Chapter 35 Outline

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Biology
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Biology
Plant Anatomy
anatomy
Botany
Plant physiology
Tissues
Vascular cambium
Meristem
Vascular tissue
Secondary growth
plant cell
Bark
health

Mica Piro Chapter 35: Plant Structure, Growth, & Development Plants have a hierarchical organization consisting of organs, tissues, and cells (35.1) An organ consists of several types of tissues that together carry out particular functions A tissue is a group of cells, consisting of one or more cell types that together perform a specialized function Vegetative growth (production of leaves, stems, and roots) is only one stage in a plant?s life Most plants undergo growth relating to sexual reproduction In angiosperms, reproductive growth is associated with the production of flowers The 3 Basic Plant Organs: Roots, Stems, and Leaves

BIO 1b plants 9

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Plant Anatomy
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Vascular cambium
Bark
Cork cambium
Cambium
Secondary growth
Meristem

Dr. Feldman?s Lecture Outlines - 13 Lecture 9, Shoots, secondary structure -Secondary growth responsible for increase in width -Results from the vascular cambium which is a lateral meristem. -produces seconday xylem = wood -produces secondary phloem = bark -Origin of the vascular cambium -how does it function? -fusiform initials = axial (up and down) system -ray initials = radial system -Rays -characteristics -Annual rings -Monocots lack a vascular cambium -how do they then increase in width? -The cork cambium -is another type of lateral meristem -produces cork -periderm = cork and associated layers -cork may arise in 2 ways. The first (and sometimes only cork cambium) arises in outer layers of cortex beneath epidermis. The second cork cambium arises in outer regions of

BIO 1b plants 8

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Plant Anatomy
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Meristem
Phyllotaxis
Primordium
Leaf
Epidermis

Dr. Feldman?s Lecture Outlines - 12 Lecture 8, Shoots, primary structure -Shoot system -consists of leaves, branches, stems, flowers and fruits -Shoot apical meristem -established during embryogeny -responsible for extension growth -consist of leaf primordium (ia), bud primordia (ium) - protoderm ?> epidermis -ground meristem ?> pith and cortex -procambium ?> primary xylem and primary phloem -Shoot system as viewed in cross section -dicot -monocot -Axillary buds -Patterns and arrangements of leaves= phyllotaxis -Fibonacci series -When leaf arrangement was examined it was found that spirals could be drawn to connect up the leaves. The spirals could go both clock-wise and counter-clock- wise. The number of spirals running in the two directions is known as the Fi-

Plant Form and Function

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Biology
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anatomy
Plant Anatomy
Botany
Plant physiology
Tissues
Secondary growth
Meristem
Vascular cambium
plant cell
Vascular tissue
Bark
health
Campbell Biology 9th edition

Biology 225: Chapter 35 Q: What are the two systems of a plant and what are they responsible for? A: The Root System (roots) is responsible for absorbing water and minerals from the ground whereas the shoot system (the stems and leaves) is responsible for obtaining light and carbon dioxide from above the ground. Both systems cannot live without the other; the roots require sugar produced by photosynthesis which comes from the shoot system and the shoots require the water and minerals absorbed by the root system for survival. Q: What is the difference between an Angiosperm and a Gymnosperm? A: Vascular Plants with Seeds Gymnosperms Angiosperms

Bio 2AP Plant Form and Function

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Plant Anatomy
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Meristem
Secondary growth
Plant stem
Vascular tissue
Root
Vascular cambium

3/14/13 8:53 AM Three main structures: Roots Tap root lateral roots arises from pericycle outer most layer in vascular cylinder generally penetrate deeply ground water not close to the surface eudicots Fibrous roots don?t penetrate deeply shallow soil or a lot of rain fall monocots Root hairs increases surface area most of the absorption occurs here Stems Nodes point at which leaves are attached Internodes the sections between the nodes Auxiliary bud structure that forms a lateral root (branch) growing auxiliary bud means lateral shoot Apical bud (terminal) inhibits growth apical dominance inhibits the auxiliary buds if sunlight is more intense on one side, the auxiliary buds break dormancy Stems with additional functions such as food storage or asexual reproductions

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Psychology
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Plant Anatomy
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Vascular tissue
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Phloem
Meristem
Root
Bark
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J I TECHNO-ECONOMIC EVALUATION OF WASTE LUBE OIL RE-REFINING IN SAUDI ARABIA Mohammad Farhat Ali, Abdullah J. Hamdan and Faizur Rahman DEPARTMENT OF CHEMISTRY Kine Fahd Universitv of Petroleum & Minerals " Dhahran: Saudi Arabia Keywords: Waste Lube Oil. Re-refining, Economics INTRODUCTION Abut 80 million gallons of automotive lubricating oils are sold in Saudi Arabia. Much of this oil, after use, is actually contributing to the increased pollution of land because of indiscriminate dumping. Any scheme of secondary use of the waste lube oils would be of interest both for conservation of energy resources and for protection of environment. This paper discusses the secondary use for the used automotive lubricating oils. Process technology
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