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Grasslands - Coggle Diagram
Grasslands
Prairies
Trees
found only along river course
Grasses
Long and narrow leaves
loses less water
Deep roots
can absorb moisture
form complex network system
Underground Growth
can regrow
can survive fire
Savanna
Trees
Long tap roots
can reach deep water table
deciduousness
resistant to loss of moisture
thick bark
resistant to annual fire
special trunk
can store water
Grasses
growth from base
avoid damage to growing tissue
vegetative reproduction
can overgrow competing forbs
siliceous
deter herbivores
Steppes
Grasses
growth from base
leaves grow from branch tips
can regrow after being burned
proliferate via rhizomes
highly toxic
wind-pollinated
siliceous
deters herbivores
Trees
No trees found
Characteristics
semi-arid
insufficient rainfall to support tree growth
dominated by grasses
Plant adaptations
deep and spreading root systems
long and narrow leaves
grow close to the ground