BiomesBiomes

A group of land ecosystems with A group of land ecosystems with similar climates and organisms.similar climates and organisms.

Types of BiomesTypes of Biomes DesertDesert GrasslandsGrasslands Temperate Forests/Deciduous ForestTemperate Forests/Deciduous Forest Tropical ForestsTropical Forests Taiga/Coniferous Forest/Boreal ForestTaiga/Coniferous Forest/Boreal Forest Aquatic: Oceanic and Fresh WaterAquatic: Oceanic and Fresh Water TundraTundra

Desert BiomeDesert Biome

Middle latitudesMiddle latitudes Very little precipitation: less that 25 cm/yearVery little precipitation: less that 25 cm/year Can be hot or coldCan be hot or cold Vegetation: cacti, desert plantsVegetation: cacti, desert plants Lizards, snakes, kangaroo rat, owls, foxes, Lizards, snakes, kangaroo rat, owls, foxes,

javelinas, coyotesjavelinas, coyotes

GrasslandsGrasslands

Found in the middle latitudesFound in the middle latitudes Moderate rainfall: 50-90 cm per yearModerate rainfall: 50-90 cm per year Grasses but few forestsGrasses but few forests Periodic wildfiresPeriodic wildfires Grazing animals: bison, horses, gazelles, Grazing animals: bison, horses, gazelles,

zebras, wolves, tigers and lions.zebras, wolves, tigers and lions.

Temperate/Deciduous ForestsTemperate/Deciduous Forests

Forest biomeForest biome Short winters (2 months)Short winters (2 months) 75 to 150 cm of rainfall per year75 to 150 cm of rainfall per year Broad leaf treesBroad leaf trees Most trees loose leaves and go dormant in Most trees loose leaves and go dormant in

winterwinter Variety of animals: squirrels, deer, raccoons, Variety of animals: squirrels, deer, raccoons,

wolves, foxes, bobcats, many insectswolves, foxes, bobcats, many insects

Tropical/Rain ForestsTropical/Rain Forests

Near the equatorNear the equator Warm to hot temperaturesWarm to hot temperatures Abundant rainfall: 250 to 400 cm per yearAbundant rainfall: 250 to 400 cm per year Many plants, animals and insectsMany plants, animals and insects Monkeys, birds, insects, snakesMonkeys, birds, insects, snakes

Boreal/Coniferous Forests (Taiga)Boreal/Coniferous Forests (Taiga)

Very coldVery cold Coniferous trees (Pine trees)Coniferous trees (Pine trees) More rain than Tundra: 30-60 cm per yearMore rain than Tundra: 30-60 cm per year Deer, elk, beavers, bears, wolves, owlsDeer, elk, beavers, bears, wolves, owls

Aquatic Aquatic

Freshwater Biomes:Freshwater Biomes: Rivers & streamsRivers & streams Lakes & pondsLakes & ponds Estuaries (mixture of fresh and saltwater)Estuaries (mixture of fresh and saltwater)

Marine Biomes:Marine Biomes: CoastalCoastal Open oceanOpen ocean Deep oceanDeep ocean

TundraTundra

Very cold and dryVery cold and dry -50 degrees F-50 degrees F less than 25 cm of rain per yearless than 25 cm of rain per year Northern-most part of the globe: ArcticNorthern-most part of the globe: Arctic Owls, bears, small rodents, white fox, caribou, Owls, bears, small rodents, white fox, caribou,

oxenoxen