The biosphere is divided into large biogeographic units called 

Weather is the determining factor of biome distribution 

Biome type can be predicted based on both _____________ and ______________ of the geographical area. 

The average ______________and __________________ influence where the different biomes are found on the surface of the Earth. 

The _________________ encircles the Earth south of the ice covered poles. 

The arctic tundra is cold and dark most of the year and covers _________% of the Earth's land surface. 

Area of soil in a tundra which never completely thaws. 

_______________ is coniferous forests extending across northern Eurasia and North America.  

group the types of trees based on the forest biome in which they are likely found 

________________ are plants that grow on other plants allowing them to be closer to sunlight in the canopy of rainforests.