biome
large ecosystem
polar ice
north and south poles, extreme cold & little sun therefore few plants and animals
tundra
borders polar regions, similar climate but slightly less extreme
temperate deciduous forest
uk climate with seasons and trees that drop leaves
tropical rainforest
high rainfall + temp all year therefore huge biodiversity
desert
covers 1/5 of earth land < 200mm annual ppt extreme temps, limited plants and animals
temperate grassland
temperate grassland plains of grass that get hot in summer and cold in winter