Savanna and Grassland Biome
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Savanna
grassland with shrubs, isolated trees, and tall grasses
Where are savannas located
between rainforest and desert
In which places are savannas found
South America, Africa, India, and Australia
What are the main seasons of the savanna
long, dry winter and wet, humid summer
What is the amount of precipitation that savannas receive annually
30-50 inches 15-25 inches during summer
Savannas are maintained by …….
annual fires
Plant adaptations to the savanna
thick bark water storage long roots defense mechanisms
Animals adaptations to the savanna
long legs or wings dwell undergrounf at least part of the time grazers and browsers
Examples of South American savannas
Cerrado Llanos
Where is the Cerrado savanna located
Brazil
Characteristics of the Cerrado
Combination of savanna and shrubland extremely biodiverse
Where is the Llanos savanna located
Venezuela
Characteristics of Llanos
floods annually organisms have adapted to a semi-aquatic environment
What is savanna smog caused by
intentional fires set annually in the African savanna
What does the savanna smog do
refreshes overall biome creates pollution
Grasslands
rolling terrain woth flowers, herbs, short grasses, and few trees
Where are grasslands located
within the interior of several continents
What are the main seasons of grasslands
hot, dry summers with temp. u to 100 degrees F cold winters with temp. down to -40 degrees F
What is the annual amount of precipitation grasslands receive
10-30 inches
Are grasslands maintained by drought and fire
yes
Plant adaptations to grasslands
fire and drought resistance defense mechanisms growth patterns
Animals adaptations to the grasslands
burrowing grazers ground-dwelling birds obtain water through plants
Why did the Dust Bowl occur
due to severe drought and poor farming practices
What was the Dust Bowl
wind and dust storms that carried topsoil out of the Great Plains