'Pollen tubes' presentation slideshows

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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Page?, 04/13/09, Pollination Objective : SWBAT explain pollination.

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Male Gametophyte

Female Gametophyte. Male Gametophyte. Ovary and 5 stigma lobes of Sagina nodosa (Knotted Pearlwort, Caryophyllaceae). Note stigmatic papillae. Onagraceae Oenothera fruticosa. Malvaceae Sildalcea malviflora. Liliaceae Lilium auratum. Euphorbiaceae Ricinus communis.

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Self-incompatibility in plants

Self-incompatibility in plants. Gametophytic self-incompatibility inhibits pollen tube growth using different mechanisms. Seiji Takayama & Akira Isogai Ann. Rev. Plant Biol. (2005) 56: 467-489. Noni Franklin-Tong & F. Chris H. Franklin TRENDS in Plant Science (2003) 8: 598-605.

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Lab 14

Lab 14. Anthophyta. Anthophyta. General features of the seed plants Common name : Flowering plants, angiosperms Synonyms : Magnoliophyta Sporophytes : Monoecious or dioecious; trees, shrubs, herbs. Anthophyta.

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Unit 5B: Life Cycles

Unit 5B: Life Cycles. Unit 5B: Life Cycles. Life Cycles. Unit 5B: Life Cycles. Some useful words Stamen Style Stigma Sepal Petal Ovary Pollen Reproduction Germination Pollination Fertilisation Dispersal. the pollen producing part of the flower .

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NATURAL SELECTION AT THE LEVEL OF THE ALLELE

Sickle cell anemia. NATURAL SELECTION AT THE LEVEL OF THE ALLELE. Biston betularia. Industrial melanism. The melanic allele has a selective advantage in polluted environments More individuals with the melanic allele are reproduce

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Unit 5B: Life Cycles

Unit 5B: Life Cycles. Life Cycles. T. Unit 5B: Life Cycles. Some useful words Stamen Style Stigma Sepal Petal Ovary Pollen Reproduction Germination Pollination Fertilisation Dispersal. the pollen producing part of the flower . where the pollen tubes grow .

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PLOIDY EFFECTS ON REPRODUCTIVE BIOLOGY OF ACACIA MANGIUM

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