NITROGEN CYCLE
Nitrogen and Oxygen compound plants need to make protein.
Nitrates
Most important plants on earth
Grasses
Root structure
Fibrous
Dense wood trees are called
Hardwood
Family with red fruit; evergreen
Holly
Bacteria that connects Nitrogen from the air into ammonia and nitrates
Nitrogen Fixing Bacteria
high yield grasses such as wheat, barley, rye
Cereal
creeping stem that grows above ground
Stolon
retain leaves year round
Evergreen
Known for wood and acorn
Oak family
Podlike plants that grow in poor soil due to nitrogen fixing bacteria
Legumes
Grasses that feed livestock
Forage
Wraps around base of leaf; source of leaf growth
Sheath
Lose leaves in fall
Tiny winged fruit found in Maple family
SAMARA
Bacteria that provides nitrates to soil from decomposing animal and plant matter
Nitrifying Bacteria
Grasses on athletic fields etc
Turf
Fruit of a grass
Grain
Stem of a broadleaf
Trunk
Blight wiped out nearly all native trees of this family
Chesnut
Bacteria that converts unused nitrates in soil to atmospheric nitrogen
Denitrifying bacteria
Bamboo is an ________ grass
Ornamental
Why are grasses used in construction
erosion control
Long tassle like clusters of flowers on broadleaf trees
Catkins
Modified leaves that surround flowers in dogwood family
Bracts