PLANTAE

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PLANTAE
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CHARACTERISTICS

• AUTOTROPHIC
• MULTICELLULAR
• EUKARYOTIC
• MOST TERRESTRIAL
• CELL WALLS OF CELLULOSE
• Dominant group on land based on weight
• DIVERSE!! Range from 2mm to 100m tall!!

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ADAPTATIONS

• WHAT OBSTACLES
• DID PLANTS HAVE TO
• OVERCOME TO LIVE
• ON LAND?
• DRYING OUT - CUTICLE STOMATA
• MEANS OF REPRODUCTION
• MEANS OF GETTING WATER AND NUTRIENTS

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Nonvascular plants
hornwort
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Vascular plants (seedless)
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Vascular plants (seeds)

• Gymnosperms
• Angiosperms

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Fig. 10-6
1 m (109 nm)
103 nm
105 nm
103 nm
106 nm
1 nm
103 m
Micro- waves
Radio waves
Gamma rays
UV
Infrared
X-rays
Visible light
750 nm
500
550
600
650
700
380
450
Longer wavelength
Shorter wavelength
Lower energy
Higher energy
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