a large collection of plants and animals in a major habitat
biome
a hot and dry habitat with few living things
desert
an open area of country covered in grass
grassland
a forest where there is no dry season
tropical rainforest
woodland of milder climate that receives heavy rainfall
temperate forest
a forest of cold subarctic region
taiga
a large, flat treeless region that is very cold
tundra
natural water with no salt
freshwater
the imaginary line that separates the north and south hemisphere
equator
a slow moving tropical animal
sloth
a plant with a thick fleshy stem with spines
cactus
