Seeds and Flowers Plant reproduction Plants without seeds

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Seeds and Flowers Plant reproduction

Seeds and Flowers Plant reproduction

Plants without seeds ☼ Use Spores for reproduction 1. All Non-vascular plants. E. g.

Plants without seeds ☼ Use Spores for reproduction 1. All Non-vascular plants. E. g. Phylum Hepatophyta (Liverworts) Phylum Anthocerophyta (Hornworts) Phylum Bryophyta (Mosses)

Plants without seeds 2. Phylum Pterophyta (Ferns) (spores in sporangia on underside of fronds)

Plants without seeds 2. Phylum Pterophyta (Ferns) (spores in sporangia on underside of fronds) 3. Phylum Psilophyta (whisk ferns) 4. Phylum Lycophyta (Club Mosses) 5. Phylum Sphenophyta (Horsetails)

Plants with seeds 1. Gymnosperms: (Seeds in cones / scales) (“naked seeds”) a. Phylum

Plants with seeds 1. Gymnosperms: (Seeds in cones / scales) (“naked seeds”) a. Phylum Cycadophyta (Cycads E. g. Sago Palm) b. Phylum Gnetophyta (E. g. Ephedra, Welwitschia)

Plants with seeds 2. Gymnosperms c. Phylum Ginkgophyta (Ginkgoes) d. Phylum Coniferophyta (Conifers)

Plants with seeds 2. Gymnosperms c. Phylum Ginkgophyta (Ginkgoes) d. Phylum Coniferophyta (Conifers)

Plants with seeds 2. Angiosperms (Flowering plants) Phylum Anthophyta reproductive structure = flower ☼

Plants with seeds 2. Angiosperms (Flowering plants) Phylum Anthophyta reproductive structure = flower ☼ seeds form from flowers inside fruit

Seeds Three parts: 1. Seed coat 2. Embryo 3. Endosperm (food storage)

Seeds Three parts: 1. Seed coat 2. Embryo 3. Endosperm (food storage)

Seeds F(x)s = Improve chances of reproductive success • Have a seed coat a.

Seeds F(x)s = Improve chances of reproductive success • Have a seed coat a. Protects embryo b. Prevents dehydration 2. Contains food source for growing embryo (Endosperm)

Flowers 1. All flower parts are modified leaves 1. F(x) –development & exchange of

Flowers 1. All flower parts are modified leaves 1. F(x) –development & exchange of sperm (pollen) and eggs (ova)

Flower Parts

Flower Parts

Flower Parts – F(x)s • • Petals – attract pollinators Sepals – protect bud

Flower Parts – F(x)s • • Petals – attract pollinators Sepals – protect bud Anther-makes pollen Filament – supports anther Stigma – traps pollen Style – supports stigma Ovary – contains ova (eggs)

Seeds and Flowers Plant reproduction Plants without seedsSeeds and Flowers Plant reproduction Plants without seeds
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Why do Plants Have Flowers Plants have flowersWhy do Plants Have Flowers Plants have flowers
Plant Reproduction Asexual Reproduction Plants being remade withoutPlant Reproduction Asexual Reproduction Plants being remade without
Plant Reproduction Plants Non vascular plants Vascular PlantsPlant Reproduction Plants Non vascular plants Vascular Plants
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Vascular Plants with Seeds Vascular Plants with SeedsVascular Plants with Seeds Vascular Plants with Seeds
PERSONAL FLOWERS Personal flowers l Personal flowers collectivelyPERSONAL FLOWERS Personal flowers l Personal flowers collectively