Download Name: Date: Period: ____ Notes: Major Plant Groups Group 1

Name: _____________________________________________________________ Date: _______________ Period: ____
Notes: Major Plant Groups
Group 1: Seedless, Nonvascular Plants
• Live in ____________ environments
–
Need ____________ to reproduce
•
Grow low to ground (____________)
•
Lack true ____________
•
Common ____________ species
•
____________ most common (dominant)
•
Ex: ____________, liverworts, hornworts
Group 2: Seedless, Vascular Plants
• Vascular system
•
–
____________ growth
–
____________ transportation
Live in moist environments
–
swimming ____________
•
Has primitive roots called ____________
•
Gametophyte stage
•
–
Called ____________
–
Creates ____________ and ____________
Sporophyte stage
–
Leaves called ____________
–
Spores created on underside in clusters called ____________
Ex: ____________, Club mosses, Horsetails
Group 3: Seed producing, Vascular Plants
• Gymnosperms
•
Needle-like ____________ (reduces water loss)
•
Common to lumber industry
•
Seeds enclosed in ____________
–
Male cones: produce ____________
•
Female cones: produce ____________
•
Zygote hardens into ____________ (protected inside cones)
•
Ex: Evergreen, Pine, Redwood, Cedar
Seed Advantages
•
1) Seed plants don’t depend on water to ____________
–
Pollen spread by ____________ and ____________
•
2) Embryo has….
– Nourishment: ____________ inside feed embryo
– Protection: Hard ____________
•
3) Seeds allow for ____________
– Carried by wind, water, animals
Group 4: Flowering Plants
• ____________ (flowering plants)
•
•
Flower = ____________ structure
–
Attract ____________ to help spread pollen
–
Forms ____________ to protect and spread seeds
Seeds
– Grow inside the ____________
– Inside:
1. ____________
2. ____________
Seed Dispersal
• ____________ brightly colored
–
Attracts animals
•
Seeds pass through animals ____________
•
Seeds ____________ in a new area to grow
Angiosperm Groups
• 2 groups: Based on seed type
• Cotyledon: embryonic leaf
• Two Categories:
– Monocots: embryo with 1 ____________
–
Dicots: embryo with 2 ____________
Angiosperm Life Spans
• Three Life Span Types:
•
–
1) ____________
–
–
–
Seed grows…
Produce flowers & seeds…
Die
2) ____________
–
•
1st year:
• Seed grows and stores food
nd
– 2 year:
• grows more…
• makes flowers & seeds…
• dies
3) ____________
–
–
Live for more than 2 years
May take decades to grow fruit