Plant evolution characterized by increasing adaptation to life on land

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Plant evolution characterized by increasing
adaptation to life on land
Challenge Solution Better pollen
dist. Flowers Better seed dist. Fruit
Challenge Solution Water res. sperm Pollen Water
res zygote Seed
Challenge Solution Water/nutrient Vascular system
acquisition/dist. Support Lignin
Challenge Solution Anchor Roots/rhizoids Protec
tion Waxy cuticle Gas exhchange Stomata
Ancestral algae