grassland biomes

What types of plants grow in grasslands?
tall trees
grasses
cactus
ferns
true or false: scientist believe fires bring new life in grasslands?
true
false
grasslands play important role in providing what food to people?
farming wheat
farming corn
raising cattle
all of the above
none of the above
true or false: are grasslands most suited to agriculture?
true
false
what is the regional average of wheat output in Australia?
200 - 600 kg/ha
800 - 1000 kg/ha
600 - 800 kg/ha
1000 - 10 000 kg/ha
 
true or false: less than 8% of the world grasslands are protected?
true
false
what is the problem with planting new crops in grasslands?
it looks bad
it has 12% humidity
it unbalances the nutrients
takes to long
true or false: threats of grasslands are the urban development?
true
false
problems with grazing cattle?
trampling of young plants
eating the grasses quicker than it can grow back
compaction
all of the above
which mammal is not found in savannas?
lion
elephant
giraffes
rhinos
horses
bear
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