What human reproductive organ is functionally similar to this seed?

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Heterospory: The Rule Among Seed Plants • The ancestors of seed plants were likely homosporous (one type of spore [like ferns]), while seed plants are heterosporous • Megasporangia produce megaspores that give rise to female gametophytes • Microsporangia produce microspores that give rise to male gametophytes Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Ovules and Production of Eggs • An ovule consists of a megasporangium, megaspore, and one or more protective integuments • Gymnosperm megaspores have one integument • Angiosperm megaspores usually have two integuments Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Page 1 and 2: Fig. 30-1 What human reproductive o
Page 3 and 4: Fig. 30-1 What human reproductive o
Page 5 and 6: Advantages of Reduced Gametophytes
Page 7: Fig. 30-2c Seed plants (gymnosperms
Page 11 and 12: Pollen and Production of Sperm •
Page 13 and 14: Pollen and Production of Sperm •
Page 15 and 16: Fig. 30-3-2 Spore wall Female gamet
Page 17 and 18: The Evolutionary Advantage of Seeds
Page 19 and 20: The Evolutionary Advantage of Seeds
Page 21 and 22: Fig. 30-3-3 Seed coat (derived from
Page 23 and 24: Concept 30.2: Gymnosperms bear “n
Page 25 and 26: Gymnosperm Evolution (fun fact) •
Page 27 and 28: • Living seed plants can be divid
Page 29 and 30: • Living seed plants can be divid
Page 31 and 32: Phylum Cycadophyta • Individuals
Page 33 and 34: Phylum Ginkgophyta • This phylum
Page 35 and 36: Fig. 30-5c Ginkgo biloba leaves and
Page 37 and 38: Fig. 30-5d Gnetum
Page 39 and 40: Fig. 30-5f Welwitschia SW Africa so
Page 41 and 42: Phylum Coniferophyta • This phylu
Page 43 and 44: Fig. 30-5i European larch
Page 45 and 46: Fig. 30-5k Sequoia
Page 47: Fig. 30-5m Common juniper
Page 50 and 51: Result= 1. Loss of habitat! 2. Cata
Page 53 and 54: Life Stages 1. Seed - falls to grou
Page 55 and 56: The Life Cycle of a Pine: A Closer
Page 57 and 58: The Life Cycle of a Pine: A Closer
Page 59 and 60:
• The pine tree is the sporophyte
Page 61 and 62:
• The pine tree is the sporophyte
Page 63 and 64:
Fig. 30-UN2 Nonvascular plants (bry
Page 65 and 66:
Flowers • The flower is an angios
Page 67 and 68:
• A flower is a specialized shoot
Page 69 and 70:
• A flower is a specialized shoot
Page 71 and 72:
• A carpel consists of an ovary a
Page 73 and 74:
Fig. 30-8 Tomato Ruby grapefruit Ne
Page 75 and 76:
Fig. 30-9 Wings Seeds within berrie
Page 77 and 78:
Guanacaste: A victim of ice age ext
Page 79:
Megalonyx jeffersonii
Page 82 and 83:
The Angiosperm Life Cycle • The f
Page 84 and 85:
The Angiosperm Life Cycle • The f
Page 86 and 87:
Silk = style; trichomes make them s
Page 88 and 89:
• A pollen grain that has landed
Page 90 and 91:
• One sperm fertilizes the egg, w
Page 92 and 93:
Fig. 30-10-1 Key Haploid (n) Diploi
Page 94 and 95:
Fig. 30-10-3 Key Haploid (n) Diploi
Page 96 and 97:
Animation: Plant Fertilization Anim
Page 98 and 99:
Fossil Angiosperms • Primitive fo
Page 100 and 101:
Angiosperm Phylogeny • The ancest
Page 102 and 103:
Angiosperm Diversity • The two ma
Page 104 and 105:
Basal Angiosperms • Three small l
Page 106 and 107:
Fig. 30-13b Water lily
Page 108 and 109:
Magnoliids • Magnoliids include m
Page 110 and 111:
Monocots • More than one-quarter
Page 112 and 113:
Fig. 30-13e1 Pygmy date palm (Phoen
Page 114 and 115:
Fig. 30-13g Barley Anther Filament
Page 116 and 117:
Fig. 30-13h California poppy
Page 118 and 119:
Fig. 30-13j Dog rose
Page 120 and 121:
Fig. 30-13l Zucchini flowers
Page 122 and 123:
Fig. 30-13n Monocot Characteristics
Page 124 and 125:
Evolutionary Links Between Angiospe
Page 127 and 128:
Ocotillo
Page 129 and 130:
Red = hummingbirds White = moths/ba
Page 131 and 132:
Products from Seed Plants • Most
Page 133 and 134:
Table 30-1b Cinchona bark, source o
Page 135 and 136:
Fig. 30-UN3 Five Derived Traits of
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What human reproductive organ is functionally similar to this seed?

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