Fig. 30-2

1
Fig. 30-2
PLANT GROUP
Mosses and othernonvascular plants
Ferns and other seedlessvascular plants
Seed plants (gymnosperms and angiosperms)
Reduced, independent(photosynthetic
andfree-living)
Reduced (usually microscopic), dependent on
surroundingsporophyte tissue for nutrition
Gametophyte
Dominant
Reduced, dependent ongametophyte for nutrition
Sporophyte
Dominant
Dominant
Gymnosperm
Angiosperm
Sporophyte(2n)
Microscopic femalegametophytes (n)
insideovulate cone
Microscopic femalegametophytes (n)
insidethese partsof flowers
Sporophyte(2n)
Gametophyte(n)
Example
Microscopic malegametophytes (n) insidethese
partsof flowers
Microscopic malegametophytes (n) inside
pollencone
Sporophyte (2n)
Sporophyte (2n)
Gametophyte(n)
2
Fig. 30-2c
Seed plants (gymnosperms and angiosperms)
Reduced (usually microscopic), dependent on
surroundingsporophyte tissue for nutrition
Gametophyte
Dominant
Sporophyte
Gymnosperm
Angiosperm
Microscopic femalegametophytes (n) inside
ovulate cone
Microscopic femalegametophytes (n)
insidethese partsof flowers
Microscopic malegametophytes (n) insidethese
partsof flowers
Example
Microscopic malegametophytes (n) inside
pollencone
Sporophyte (2n)
Sporophyte (2n)
3
Fig. 30-6-4
Key
Haploid (n)
Ovule
Diploid (2n)
Ovulatecone
Megasporocyte (2n)
Integument
Pollencone
Microsporocytes(2n)
Megasporangium(2n)
Maturesporophyte(2n)
Pollengrain
Pollengrains (n)
MEIOSIS
MEIOSIS
Microsporangia
Microsporangium (2n)
Survivingmegaspore (n)
Seedling
Archegonium
Femalegametophyte
Seeds
Foodreserves(n)
Spermnucleus (n)
Seed coat(2n)
Pollentube
Embryo(2n)
FERTILIZATION
Egg nucleus (n)
4
Fig. 30-5a
Cycas revoluta
5
Fig. 30-5b
Ginkgo bilobapollen-producing tree
6
Fig. 30-5c
Ginkgo bilobaleaves and fleshy seeds
7
Fig. 30-5d
Gnetum
8
Fig. 30-5e
Ephedra
9
Fig. 30-5f
Welwitschia
10
Fig. 30-5g
Ovulate cones
Welwitschia
11
Fig. 30-5h
Douglas fir
12
Fig. 30-5i
European larch
13
Fig. 30-5j
Bristlecone pine
14
Fig. 30-5k
Sequoia
15
Fig. 30-5l
Wollemi pine
16
Fig. 30-5m
Common juniper
17
Fig. 30-8
Tomato
Ruby grapefruit
Nectarine
Hazelnut
Milkweed
18
Fig. 30-9
Wings
Seeds within berries
Barbs
19
Fig. 30-13m
MonocotCharacteristics
EudicotCharacteristics
Embryos
One cotyledon
Two cotyledons
Leafvenation
Veins usuallyparallel
Veins usuallynetlike
Stems
Vascular tissueusually arrangedin ring
Vascular tissuescattered
Roots
Taproot (main root)usually present
Root systemusually fibrous(no main root)
Pollen
Pollen grain withone opening
Pollen grain withthree openings
Flowers
Floral organsusually inmultiples of three
Floral organs usuallyin multiples of four or
five
20
Fig. 30-13e
Orchid
21
Fig. 30-13e1
Pygmy date palm (Phoenix roebelenii)
22
Fig. 30-13f
Lily
23
Fig. 30-13g
Barley
Anther
Stigma
Ovary
Filament
24
Fig. 30-13h
California poppy
25
Fig. 30-13i
Pyrenean oak
26
Fig. 30-13j
Dog rose
27
Fig. 30-13k
Snow pea
28
Fig. 30-13l
Zucchini flowers
29
Fig. 30-13b
Water lily
30
Fig. 30-13c
Star anise
31
Fig. 30-13a
Amborella trichopoda
32
Fig. 30-7
Stigma
Carpel
Stamen
Anther
Style
Filament
Ovary
Petal
Sepal
Ovule
33
Table 30-1a