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Fig. 30-2

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PLANT GROUP. Mosses and other nonvascular plants. Ferns and other seedless vascular plants. Seed plants (gymnosperms and angiosperms). Reduced, independent (photosynthetic and free-living). Reduced (usually microscopic), dependent on surrounding sporophyte tissue for nutrition. Gametophyte. - PowerPoint PPT Presentation
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Fig. 30-2 Reduced (usually microscopic), dependent on surround sporophyte tissue for nutrition Reduced, independent (photosynthetic and free-living) Gametophyte Sporophyte (2n) Sporophyte (2n) Gametophyte (n) Sporophyte Example Gametophyte (n) Dominant Dominant Dominant Reduced, dependent on gametophyte for nutrition Mosses and other nonvascular plants Ferns and other seedless vascular plants Seed plants (gymnosperms and angiosperms) PLANT GROUP Gymnosperm Angiosperm Microscopic female gametophytes (n) inside ovulate cone Microscopic male gametophytes (n) inside pollen cone Sporophyte (2n) Sporophyte (2n) Microscopic female gametophytes (n) inside these parts of flowers Microscopic male gametophytes (n) inside these parts of flowers
Transcript
Page 1: Fig. 30-2

Fig. 30-2

Reduced (usually microscopic), dependent on surroundingsporophyte tissue for nutrition

Reduced, independent(photosynthetic andfree-living)

Gametophyte

Sporophyte(2n)

Sporophyte(2n)

Gametophyte(n)

Sporophyte

Example

Gametophyte(n)

Dominant

Dominant DominantReduced, dependent ongametophyte for nutrition

Mosses and othernonvascular plants

Ferns and other seedlessvascular plants

Seed plants (gymnosperms and angiosperms)

PLANT GROUP

Gymnosperm Angiosperm

Microscopic femalegametophytes (n) insideovulate cone

Microscopic malegametophytes (n) inside pollencone

Sporophyte (2n) Sporophyte (2n)

Microscopic femalegametophytes (n) insidethese partsof flowers

Microscopic malegametophytes (n) insidethese partsof flowers

Page 2: Fig. 30-2

Fig. 30-2c

Reduced (usually microscopic), dependent on surroundingsporophyte tissue for nutrition

Dominant

Seed plants (gymnosperms and angiosperms)

Gymnosperm AngiospermMicroscopic femalegametophytes (n) inside ovulate cone

Microscopic malegametophytes (n) inside pollencone

Sporophyte (2n) Sporophyte (2n)

Microscopic femalegametophytes (n) insidethese partsof flowers

Microscopic malegametophytes (n) insidethese partsof flowers

Example

Gametophyte

Sporophyte

Page 3: Fig. 30-2

Fig. 30-6-4

Microsporangium (2n)

Microsporocytes(2n)

Pollengrains (n)

Pollencone

Microsporangia

MEIOSIS

Maturesporophyte(2n)

Haploid (n)Diploid (2n)

Key

MEIOSIS

Survivingmegaspore (n)

Pollengrain

Megasporocyte (2n)

Ovule

Integument

Ovulatecone

FERTILIZATION

Pollentube

Femalegametophyte

Spermnucleus (n)

Egg nucleus (n)

Archegonium

Seedling

Seeds

Seed coat(2n)

Foodreserves(n)

Embryo(2n)

Megasporangium(2n)

Page 4: Fig. 30-2

Fig. 30-5a

Cycas revoluta

Page 5: Fig. 30-2

Fig. 30-5b

Ginkgo bilobapollen-producing tree

Page 6: Fig. 30-2

Fig. 30-5c

Ginkgo bilobaleaves and fleshy seeds

Page 7: Fig. 30-2

Fig. 30-5d

Gnetum

Page 8: Fig. 30-2

Fig. 30-5e

Ephedra

Page 9: Fig. 30-2

Fig. 30-5f

Welwitschia

Page 10: Fig. 30-2

Fig. 30-5g

Welwitschia

Ovulate cones

Page 11: Fig. 30-2

Fig. 30-5h

Douglas fir

Page 12: Fig. 30-2

Fig. 30-5i

European larch

Page 13: Fig. 30-2

Fig. 30-5j

Bristlecone pine

Page 14: Fig. 30-2

Fig. 30-5k

Sequoia

Page 15: Fig. 30-2

Fig. 30-5l

Wollemi pine

Page 16: Fig. 30-2

Fig. 30-5m

Common juniper

Page 17: Fig. 30-2

Fig. 30-8

Hazelnut

Ruby grapefruit

Tomato

Nectarine

Milkweed

Page 18: Fig. 30-2

Fig. 30-9

Barbs

Seeds within berries

Wings

Page 19: Fig. 30-2

Fig. 30-13mMonocot

CharacteristicsEudicot

Characteristics

Vascular tissueusually arranged

in ring

Veins usuallyparallel

Veins usuallynetlike

Vascular tissuescattered

Leafvenation

One cotyledon

Embryos

Two cotyledons

Stems

Roots

Pollen

Root systemusually fibrous(no main root)

Pollen grain withthree openings

Taproot (main root)usually present

Pollen grain withone opening

Floral organsusually in

multiples of three

Flowers

Floral organs usuallyin multiples of

four or five

Page 20: Fig. 30-2

Fig. 30-13e

Orchid

Page 21: Fig. 30-2

Fig. 30-13e1

Pygmy date palm (Phoenix roebelenii)

Page 22: Fig. 30-2

Fig. 30-13f

Lily

Page 23: Fig. 30-2

Fig. 30-13g

Anther

Barley

Stigma

OvaryFilament

Page 24: Fig. 30-2

Fig. 30-13h

California poppy

Page 25: Fig. 30-2

Fig. 30-13i

Pyrenean oak

Page 26: Fig. 30-2

Fig. 30-13j

Dog rose

Page 27: Fig. 30-2

Fig. 30-13k

Snow pea

Page 28: Fig. 30-2

Fig. 30-13l

Zucchini flowers

Page 29: Fig. 30-2

Fig. 30-13b

Water lily

Page 30: Fig. 30-2

Fig. 30-13c

Star anise

Page 31: Fig. 30-2

Fig. 30-13a

Amborella trichopoda

Page 32: Fig. 30-2

Fig. 30-7

Carpel

Ovule

Sepal

Petal

Stigma

Style

Ovary

Stamen Anther

Filament

Page 33: Fig. 30-2

Table 30-1a


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