#1
Grassland with scattered trees in the landscape
What is a Savanna?
Turning the soil to help with weed control and aeration
What is tillage?
When people build roads, houses, and parking lots, this is called _________.
Urbanization
Growing corn one year and soybeans the next is an example of using _______________.
Rotational Crops
Some climate scientists even believe grasslands may be more efficient and reliable at removing carbon from the atmosphere than forests, because grasslands are more resilient after fires and drought.
True or false?
True
Broadleaf and low shrub vegetation
What is a Forb?
Plants grown in off-seasons to protect and enrich soil
What are cover crops?
If we overuse land or water sources, it can lead to _________, which makes soil unproductive.
Desertification
Which of the following does NOT prevent woody vegetation like shrubs and trees from thriving?
a. grazing
b. use of pesticides
c. fire
d. drought
b. use of pesticides
Which grassland have the most fertile soil due to decaying grass roots.
Temperate grasslands
Grassland ecosystems found at high elevations
What is a Montane?
Changing what is grown in a specific field each year
What are rotational crops?
_______________ are plowed back into the soil to improve nutrients before the main crops grow
Cover Crops
Which of the following is NOT a type of grassland?
a. montane
b. temperate
c. savanna
d. deciduous
d. deciduous
Which grasslands are too cold or rocky for trees to grow
Montane Grasslands
Spread of roads, buildings, and infrastructure
What is urbanization?
The African _______ is home to elephants and grasslands dotted with trees.
savanna
By planting _______, farmers reduce soil erosion and suppress weeds without chemicals.
forbs
Grasslands can be found on every continent EXCEPT which of the following?
a. Asia
b. Australia
c. South America
d. Antarctica
d. Antarctica
Grasslands are resilient to _______, but fragile to human disruption
drought
The process of fertile land turning into desert
What is desertification?
_______ regions are found high in the mountains and experience cooler temperatures.
Montane
__________ helps keep the soil loose and ready for planting, but must be done carefully.
Tillage
Which of the following qualities determines if an area should be considered a grassland?
a. height of plants
b. amount of precipitation
c. amount of stored carbon in soil
d. location
b. amount of precipitation
What are the three types of grasslands?
Temperate, Savanna, Montane