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Chapter 30

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Chapter 30 The Evolution of Seed Plants – PowerPoint PPT presentation

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Title: Chapter 30


1
Chapter 30 The Evolution of Seed Plants
2
Chapter 30 The Evolution of Seed Plants
nonvascular
seedless charophyceans (bryophytes)
vascular gymnosperms angiosperms
3
Chapter 30 The Evolution of Seed Plants
embryos
nonvascular
seedless charophyceans (bryophytes)
vascular gymnosperms angiosperms
4
Chapter 30 The Evolution of Seed Plants
vascular tissue
nonvascular
seedless charophyceans (bryophytes)
vascular gymnosperms angiosperms
5
Chapter 30 The Evolution of Seed Plants
seeds
nonvascular
seedless charophyceans (bryophytes)
vascular gymnosperms angiosperms
6
Chapter 30 The Evolution of Seed Plants
flowers and fruit
nonvascular
seedless charophyceans (bryophytes)
vascular gymnosperms angiosperms
7
Chapter 30 The Evolution of Seed Plants
  • The reduced gametophytes of seed plants are
    protected in ovules and pollen grains
  • Heterospory
  • Ovules and Eggs
  • Pollen and Sperm
  • Seeds.

8
Chapter 30 The Evolution of Seed Plants
  • Mosses

9
Chapter 30 The Evolution of Seed Plants
  • Mosses

gametophyte
10
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
gametophyte
11
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
12
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
13
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
14
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
15
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
16
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
17
Chapter 30 The Evolution of Seed Plants
  • Mosses

egg
sperm
gametophyte
18
Chapter 30 The Evolution of Seed Plants
  • Mosses

gametophyte
19
Chapter 30 The Evolution of Seed Plants
  • Mosses

sporophyte
gametophyte
20
Chapter 30 The Evolution of Seed Plants
  • Mosses

spores
sporophyte
gametophyte
21
Chapter 30 The Evolution of Seed Plants
  • Mosses

spores
22
Chapter 30 The Evolution of Seed Plants
  • Mosses

spores
23
Chapter 30 The Evolution of Seed Plants
  • Mosses

spores
24
Chapter 30 The Evolution of Seed Plants
  • Mosses

spores
25
Chapter 30 The Evolution of Seed Plants
  • Mosses

26
Chapter 30 The Evolution of Seed Plants
  • Mosses

27
Chapter 30 The Evolution of Seed Plants
  • Mosses

28
Chapter 30 The Evolution of Seed Plants
  • Ferns

29
Chapter 30 The Evolution of Seed Plants
  • Ferns

gametophyte
30
Chapter 30 The Evolution of Seed Plants
  • Ferns

sperm egg
gametophyte
31
Chapter 30 The Evolution of Seed Plants
  • Ferns

sperm egg
gametophyte
32
Chapter 30 The Evolution of Seed Plants
  • Ferns

sporophyte
gametophyte
33
Chapter 30 The Evolution of Seed Plants
  • Ferns

spores
sporophyte
gametophyte
34
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

35
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

36
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

seed
37
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

sporophyte
seed
38
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

spores
seed
39
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

gametophytes
seed
40
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
41
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
42
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
43
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
44
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
45
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
46
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
47
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
48
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
49
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
50
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
51
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

egg
seed
52
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

sperm
egg
seed
53
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

sperm
egg
seed
54
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

sperm
egg
seed
55
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

sperm
egg
seed
56
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

seed
seed
57
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

seed
seed
58
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

fruit
seed
59
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

60
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

61
Chapter 30 The Evolution of Seed Plants
  • Seed Plants

62
Chapter 30 The Evolution of Seed Plants
  • Advantages
  • Sperm do not need to swim
  • Pollen is durable
  • Pollen can travel long distances
  • Female gametophyte is protected
  • Multicellular seed is more resilient than
    single-cell spore.

63
Chapter 30 The Evolution of Seed Plants
  • Gymnosperms
  • vs.
  • Angiosperms

64
Chapter 30 The Evolution of Seed Plants
naked
  • Gymnosperms
  • vs.
  • Angiosperms

65
Chapter 30 The Evolution of Seed Plants
naked
seeds
  • Gymnosperms
  • vs.
  • Angiosperms

66
Chapter 30 The Evolution of Seed Plants
naked
seeds
  • Gymnosperms
  • vs.
  • Angiosperms

fruit
67
Chapter 30 The Evolution of Seed Plants
naked
seeds
  • Gymnosperms
  • vs.
  • Angiosperms

fruit
68
Chapter 30 The Evolution of Seed Plants
  • Monocot vs. Dicot

69
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon
Two cotyledons
70
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon Parallel veins
Two cotyledons Netlike veins
71
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon Parallel veins Vascular scattered
Two cotyledons Netlike veins Vascular in rings
72
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon Parallel veins Vascular
scattered Fibrous roots
Two cotyledons Netlike veins Vascular in
rings Taproots
73
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon Parallel veins Vascular
scattered Fibrous roots Pollen 1 opening
Two cotyledons Netlike veins Vascular in
rings Taproots Pollen 3 openings
74
Chapter 30 The Evolution of Seed Plants
Monocot vs. Dicot
One cotyledon Parallel veins Vascular
scattered Fibrous roots Pollen 1 opening Petals x
3
Two cotyledons Netlike veins Vascular in
rings Taproots Pollen 3 openings Petals x 4 or 5
.
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