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CHAPTER 30 PLANT DIVERSITY II: THE EVOLUTION OF SEED PLANTS Seed

CHAPTER 30 PLANT DIVERSITY II: THE EVOLUTION OF SEED PLANTS Seed

CHAPTER 30 PLANT DIVERSITY II: THE EVOLUTION OF SEED PLANTS Seed. ----------------------- --------------------------. ------------------------------------. Moss leaf cross section. Change in Dominance of Generations. Ovule to Seed. Winged seed of a White Pine.

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CHAPTER 38 PLANT REPRODUCTION

CHAPTER 38 PLANT REPRODUCTION

CHAPTER 38 PLANT REPRODUCTION. Sexual Reproduction & Biotechnology. Floral Organs. Sepals and petals are nonreproductive organs. Sepals : enclose and protect the floral bud before it opens; usually green and more leaf-like in appearance.

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CHAPTER 38 PLANT REPRODUCTION

CHAPTER 38 PLANT REPRODUCTION

CHAPTER 38 PLANT REPRODUCTION. Angiosperm Reproduction & Biotechnology. Floral Organs. Sepals and petals are nonreproductive organs. Sepals : enclose and protect the floral bud before it opens; usually green and more leaf-like in appearance.

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585 views • 50 slides
How Conifers succeed in the North

How Conifers succeed in the North

How Conifers succeed in the North. Ncumisa Mnotoza 2253897@uwc.ac.za. Conifers. All conifers are seed plants with vascular tissue that bear cones. They contain more trees than shrubs. They have monopodial growth form, that is a tall straight trunk and narrow branches.

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509 views • 27 slides
Plant Reproduction

Plant Reproduction

Plant Reproduction. Chapter 31. Plants and Pollinators. Pollen had evolved by 390 million years ago Sperm packed inside a nutritious package Transferred first by wind currents Later transferred by insects Plants that attracted insect pollinators with flowers had a reproductive advantage.

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349 views • 24 slides
REPRODUCTIVE ISOLATION

REPRODUCTIVE ISOLATION

REPRODUCTIVE ISOLATION. What is reproductive isolation?. Reproductive isolation prevents gene flow between species. A reproductive isolating mechanism prevents individuals of different species from reproducing successfully together.

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1.2k views • 20 slides
Importance of Plants

Importance of Plants

Importance of Plants . Plants define biomes Forest Prairie Desert Plants adapted to land before animals. Plants sustain animal life. Evolution of Plant Adaptation to Land. 500M+ years: Moss: nourish embryo 430M years: Ferns: water & nutrient transport

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441 views • 19 slides
The Parts of a Flower

The Parts of a Flower

The Parts of a Flower. Most flowers have four parts: sepals, petals, stamens, carpels. The parts of a flower. Sepals protect the bud until it opens. Petals attract insects. Stamens make pollen. Carpels grow into fruits which contain the seeds. Stamen (male).

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582 views • 15 slides
FLOWER DISSECTION

FLOWER DISSECTION

FLOWER DISSECTION. 2014. Diagram of a Flower. / Carpel. Petal. Petal: Petals are used to attract insects into the flower, they may have guidelines on them and be scented. Sepal. Sepal: Sepals protect the flower whilst the flower is developing from a bud. Stamen.

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1.34k views • 14 slides
Chapter 38

Chapter 38

Chapter 38. Angiosperm Reproduction. Angiosperm Reproduction. Angiosperms have 3 unique features: Flowers, Fruits, & Double Fertilization Microsporangia Pollen sacs in the anther Diploid cells = meiosis ? male gametophyte (pollen) Pollen has 2 haploid nuclei

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288 views • 13 slides

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