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Overview: Transforming the World

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Overview: Transforming the World

(3)

Seeds and pollen grains are key

adaptations for life on land

(4)

Heterospory

: The Rule Among Seed

Plants

(5)

Ovules and Production of Eggs

(6)

Pollen and Production of Sperm

(7)

The Evolutionary Advantage of

Seeds

(8)

Gymnosperms bear “naked” seeds,

typically on cones

(9)
(10)

Phylum Ginkgophyta

(11)

Phylum Coniferophyta

(12)

The Life Cycle of a Pine: A Closer

Look

(13)

The reproductive adaptations of

angiosperms include flowers and

fruits

(14)

Flowers - Specialized for Sexual

Reproduction

(15)

Fruits

(16)

The Angiosperm Life Cycle

(17)
(18)
(19)

Angiosperm Phylogeny

(20)

Angiosperm Diversity

(21)

Evolutionary Links Between Angiosperms and Animals

(22)

Human welfare depends greatly on

seed plants

(23)

Products from Seed Plants

(24)

Threats to Plant Diversity

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