'Secondary xylem' diaporamas de présentation

Control and Regulation

Control and Regulation. Higher Biology Unit 3. Growth and development. Growth patterns in plants and animals Growth is the irreversible increase in the dry mass of an organism. To avoid killing the organism other factors, such as height or fresh weight, may be used to measure.

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Concept 39.2: Plant hormones help coordinate growth, development, and responses to stimuli

Concept 39.2: Plant hormones help coordinate growth, development, and responses to stimuli. Chapter 39 Assignment. Read chapter 39.2 Complete plant hormone assignment ALSO: Complete the practice AP Exam by Wednesday, April 10 th.

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What is structure B?

What is structure B?. Periderm. Secondary Xylem. Secondary Phloem. Procambium. Vascular Cambium. Yea!. B = Vascular Cambium is defined as the lateral meristem that gives rise to the secondary xylem (wood) and secondary phloem (bark). A = Secondary xylem C = Secondary phloem

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What is structure B?

What is structure B?. Periderm. Secondary Xylem. Secondary Phloem. Procambium. Vascular Cambium. Yea!. B = Vascular Cambium is defined as the lateral meristem that gives rise to the secondary xylem (wood) and secondary phloem (bark). A = Secondary xylem C = Secondary phloem

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Ch. 35: Plant Structure and Growth

Ch. 35: Plant Structure and Growth. The Plant Body A. Consists mainly of three parts: 1. Roots 2. Stems 3. Leaves B. Comparison of monocots v. dicots. The basic morphology of a plant has two systems: 1. Root System : anchor the plant in the soil,

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Chapter 25 Plant Tissues (Sections 25.7 - 25.9)

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Basically Botany

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Plant Form and Function

Plant Form and Function. Thick structure (64 cells). Tube-like structure (64 cells). Flattened structure (64 cells). 50 ? m. Surface area ? 340,000 ? m 2 (136 cell surfaces ? 2500 ? m 2 /cell surface). Surface area ? 240,000 ? m 2

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Tree Growth and Wood Formation

FW1035 Lecture 1 Bowyer et al, Chapter 1. Tree Growth and Wood Formation. Basic macroanatomy of a tree stem How a tree grows. Coast Redwood Sequoia sempervirens Tallest Living Individual: 380 feet (~2000 yo) Weight: up to ~2.7 million lbs. Saturn V Rocket Height: 383 feet

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STEMS

STEMS. And you thought roots were fun. Purpose of Stems. Support leaves Transport water and nutrients Store water and food. WHY?!?. Growth in height only occurs at tip of roots and branches. Specialized Stems. Cactus is a stem that stores food and water for the plant

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Angiosperms III

Angiosperms III. Plant Cell Types. Plant Cell Types. Most angiosperm plants are composed of 10 fundamental cell types Many more specialized cell types do occur in some plants These 10 cell types are differentiate from the dividing cells found in meristems and cambia (meristematic cells).

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WOOD 280 Wood Anatomy and Identification Dr. Simon Ellis

WOOD 280 Wood Anatomy and Identification Dr. Simon Ellis. Softwoods. Hardwoods. Lodgepole pine. Aspen. Oak. Hemlock. Douglas-fir. Spruce. Birch. Maple. (Waddington arboretum). May 21. May 3. October 11. December 20. (Ellis). *. *.

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Gossypium spp. Cotton Anatomy

Gossypium spp. Cotton Anatomy. Jake Delheimer IB 423 Portfolio Project. The Basics. Dicot Taproot with many branch roots Average 6 to 8 flowers per branch. http://encarta.msn.com/media_681500044/Cotton_Field_Uzbekistan.html. Cotton in History.

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Tracheophyte Evolution

Tracheophyte Evolution. Origin. Big split between Lycophyte lineage and Euphyllophytes Euphyllophytes have megaphylls, pseudomonopodial growth. Next Big Split. Monilophytes (ferns and fern allies, including horsetails) and Lignophytes

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Topic 14.1 The Structure & Growth of Flowering Plants

Topic 14.1 The Structure & Growth of Flowering Plants. Biology 1001 November 14, 2005. III. PLANT HORMONES. Hormones are chemical signals that coordinate the parts of an organism

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Chapter 29.6

Chapter 29.6. Accumulated Secondary Growth The Woody Plants. AP Biology Spring 2011. Secondary Growth. Secondary growth: increases the circumference of woody plants Some monocots, many eudicots, magnoliids, and most gymnosperms add secondary growth Woody plants! . Secondary Growth.

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1CO

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