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LECTURE 3 REPRODUCTIVE STRUCTURES

LECTURE 3 REPRODUCTIVE STRUCTURES

LECTURE 3 REPRODUCTIVE STRUCTURES Flowering Floral Induction Leaves Floral Stimulus Florigen Phloem Transport Floral Evocation Reproductive Apex Leaf Primordia → Floral Primordia Sepals (A) Petals (A+B) Stamens (B+C) Pistils (C) Vegetative Apex SAM Tunica Corpus

By elina
(485 views)

Chapter 30

Chapter 30

Chapter 30. Plant Diversity II Seed Plants. Evolution of Seed Plants (angiosperms and gymnosperms). Seeds changed the course of plant evolution Enabling their bearers to become the dominant producers in most terrestrial ecosystems Seed plants arose about 360 million years ago.

By Thomas
(323 views)

Lecture 19

Lecture 19

Lecture 19. Principles of optical microscopy. Illumination conjugate planes are shown in red; an image of the lamp filament is in focus at these planes Imaging path conjugate planes are shown in red; an image of the specimen is in focus at these planes.

By rafael
(388 views)

Seed Plants

Seed Plants

Seed Plants. Gymnosperms & Angiosperms. What is a seed?. A seed contains an embryonic sporophyte Has a protective coat and enough nutrients to support the sporophyte until it is ready to germinate Seeds differ depending on their mode of species dispersal… eg . wind, animals, water etc.

By sai
(4751 views)

1. What is it?

1. What is it?

8. What are its costs & benefits?. 9. How do we evaluate it?. 5. How does it change?. 6. How does it change us?. 7. How do we change it?. 1. What is it?. 2. Why do we use it?. 3. Where does it come from?. 4. How does it work?. 0. Introduction. You are here.

By nonnie
(82 views)

NanoLab

NanoLab

NanoLab. Physics 4970 Spring 2007 TR 14:30-16:20 development funded by a grant from National Science Foundation Nanotechnology Undergraduate Education. The Scale of Things -- Nanometers and More. 1 cm 10 mm. 10 -2 m. Head of a pin 1-2 mm. 21 st Century Challenge.

By reynard
(247 views)

SEXUAL REPRODUCTION IN FLOWERING PLANTS

SEXUAL REPRODUCTION IN FLOWERING PLANTS

SEXUAL REPRODUCTION IN FLOWERING PLANTS. Flower – A fascinating Organ of  Angiosperms :. Flowers have ornamental, aesthetic and cultural values. Flowers are the sites of sexual reproduction. PREFERTILISATION  :. Structures and Events –

By tao
(649 views)

Plant Science

Plant Science

Plant Science. Unit 2 Lesson 1: Plant Cell Structure and Microscope Lab. T he A mazing Plant c ell!!. Why are Plant Cells so Amazing?. CONVERT FOOD INTO ENERGY. ADAPT TO OUTSIDE STIMULI. Cells can determine :. How productive plants will be. How food tastes! Why plants get sick.

By jersey
(88 views)

? This Week’s Quiz ?

? This Week’s Quiz ?

? This Week’s Quiz ?. This Friday Chapter # 43. http://www.vcld.org/pages/newsletters/01_02_fall/testtaking.htm. Chapter # 43 – Plant Reproduction. 43.1 What Are the Basic Features of Plant Life Cycles? 43.2 How Is Reproduction in Seed Plants Adapted to Drier Environments?

By lenora
(89 views)

Seed Plants

Seed Plants

Seed Plants. Two groups of seed plants: Gymnosperms Angiosperms Gymnosperms include the conifers and cycads and this group originated in the Carboniferous period.

By Albert_Lan
(206 views)

plants

plants

plants. Plants are multicellular, eukaryotic, autotrophic with cell walls made of cellulose. Land plants evolved from green algae, based on 3 key traits: both contain chlorophyll a and b Both store excess carbohydrates as starch Both have cellulose in their cell walls.

By joanne
(147 views)

Warm-Up #30

Warm-Up #30

Warm-Up #30. Complete the Analyzing Data on page 620 of your textbook. Leaf Lab Review. Reproduction of Seed Plants. Objectives. Identify the reproductive structures of gymnosperms and angiosperms. Describe the development of seeds and fruits. Explain how seeds are dispersed.

By selena
(112 views)

Plant Reproduction and Development

Plant Reproduction and Development

Plant Reproduction and Development. Chapter 28. Angiosperm Life Cycles. Dominant form is the diploid sporophyte In flowers, haploid spores formed by meiosis develop into gametophytes. mature sporophyte. seed. meiosis (within anther). meiosis (within ovary). DIPLOID HAPLOID.

By merv
(83 views)

Structure and Function in Living Things

Structure and Function in Living Things

Structure and Function in Living Things. Chapter Sixteen: Plants. 16.1 What are Plants? 16.2 Roots, Stems, and Leaves 16.3 Reproduction in Flowering Plants. Investigation 16B. Flower Dissection. How does the design of flower help in its pollination?.

By malory
(133 views)

Plant Diversity II: Evolution by Seed Plants

Plant Diversity II: Evolution by Seed Plants

Plant Diversity II: Evolution by Seed Plants. cyanobacteria on land – 1.2 billion years ago 500 MYA – colonization by plants closest relatives of land plants = charophyceans

By dinos
(310 views)

Chapter 14

Chapter 14

Chapter 14. Plants and Fungi. Plant Characteristics. Plants are multicellular eukaryotes. Almost all are photosynthetic. Evolved from green algae Forms a multicellular embryo that forms, develops within, and is nourished by tissues of the parental plant. Life on Land.

By dextra
(159 views)

Sex, Seeds, and Science

Sex, Seeds, and Science

Sex, Seeds, and Science. Meghan Miceli , Gabrielle Quilliam, and Yena Lee. Agenda. Introductory Video Seed structure and function Seed Development Anatomy Reproduction of Plants Life cycles of gynmosperms and angiosperms Test Your Knowledge Closing Song. Seed Structure.

By obert
(99 views)

Forenisc Botany

Forenisc Botany

Forenisc Botany. Spring 2013. Forensic Palynology. The use of pollen and spore evidence to help solve criminal cases. Some Vocabulary. Angiosperm- a flowering plant that produces seeds within a fruit Exine - outer layer of the wall of a pollen grain or spore

By cirila
(1032 views)

PLANT KINGDOM

PLANT KINGDOM

PLANT KINGDOM. MOSSES. No vascular tissue (tubes) for transporting food and water so that nutrients must slowly seep from one cell to the next. No true roots, stems or leaves. Therefore, they must live in moist, shady areas and frequently grow in clusters.

By aziza
(124 views)

Seed Plants

Seed Plants

Seed Plants. Chapter 22.4 - 22.5. Chapter 22 Vocabulary – Part B. 22.4 Gymnosperm Cone Pollen grain Pollination Seed Embryo Seed Coat. 22.5 Angiosperm Fruit Monocot Dicot Cotyledon Annual Biennial Perennial. Crash Course Biology. Vascular Plants

By efrem
(292 views)

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