Savannas
Name different locations that are covered by savannas.
parts of Africa, western India, northern Australia, some parts of South America
Describe temperate grasslands
dominated by grass and has very few trees
How do prairie grasses survive drought and fires?
form dense layers underground that hold the soil in place
What biome is a type of temperate woodland biome that has dry climates but receives enough rainfall to supply more plants than a desert does?
chaparral
Where is the driest place on earth?
deserts
Where are savannas located?
tropical and subtropical areas near the equator and between tropical rainforest and desert biomes
Which biome has the most fertile soil of any biome?
temperate grasslands
Name 3 threats to the temperate grasslands?
farming and overgrazing and erosion
What do plants of the chaparral contain that promotes forest fires?
oil in the leaves
True or false - Deserts are usually located near mountain ranges. Why?
True - mountains can block the passage of moisture filled clouds which limits precipitation
What is the benefit of the horizontal root systems?
allows plants to grow quickly after a fire
Why are there so few natural temperate grasslands remaining?
because many have been replaced by farms and grazing areas
Define tundra
biome that is dominated by grass, lichens and herbs with the soil supporting mostly through grasses and shrubs
What kind of plants are found in the Chaparral?
low lying, evergreen shrubs and small trees that tend to grow in dense patches
What part of a rattlesnakes prevents water loss?
thick scaly skin
How is it beneficial for plants to lose their leaves during the dry season and to grow thorns?
preserves water and keeps hungry herbivores away
With very little rainfall, what plays a crucial role in the temperate grasslands keeping the land cool and moist with such sizzling temperatures?
mountains
Define permafrost and where is it located?
permanently frozen
underneath the topsoil
One common adaptation of the animals of the Chaparral is....
camouflage
What do spadefoot toads do during the dry season?
burrow themselves underground to sleep
Give examples of how animals eliminate competition by eating vegetation at different levels.
small gazelles graze on grass
black rhinos browse on shrubs
giraffes feed on tree leaves
How old is Ms Tara?
30
What plants grow in the Tundra and how do they anchor themselves?
mosses and lichens
they are short and have wide shallow roots to anchor against the icy winds
Largest threat to the Chaparral is and why?
humans
they tend to develop land for commercial and residential use because of the climate
What part of a cacti conserves water?
their thick fleshy stems and leaves