•
•
•
•
•
AUTOTROPHIC
MULTICELLULAR
EUKARYOTIC
MOST TERRESTRIAL
CELL WALLS OF
CELLULOSE
• Dominant group on land
based on weight
• DIVERSE!! Range from
2mm to 100m tall!!
WHAT OBSTACLES
DID PLANTS HAVE TO
OVERCOME TO LIVE
ON LAND?
• DRYING OUT - CUTICLE
& STOMATA
• MEANS OF
REPRODUCTION
• MEANS OF GETTING
WATER AND NUTRIENTS
KINGDOM
PLANTAE
NONVASCULAR
VASCULAR
DIVISION
BRYOPHYTA
DIVISION
TRACHEOPHYTA
MOSSES
LIVERWORTS
FERNS
SEED PLANTS
Nonvascular plants
hornwort
Vascular plants
(seedless)
Vascular plants (seeds)
• Gymnosperms
• Angiosperms
Fig. 10-6
10–5 nm 10–3 nm
103 nm
1 nm
Gamma
X-rays
rays
UV
106 nm
Infrared
1m
(109 nm)
Microwaves
103 m
Radio
waves
Visible light
380
450
500
Shorter wavelength
Higher energy
550
600
650
700
750 nm
Longer wavelength
Lower energy