Biomes

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World Biomes

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Biomes

Regions of the world with similar physical environments

Named for most conspicuous types of vegetation

Climate factors

Rainfall (precipitation)

Temperature

Altitude

Latitude

Boundaries are indistinct

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Six Major Biomes

Tropical Rain Forests

Grassland

Tropical/Subtropical Grassland

Temperate Grassland

Desert

Temperate

Temperate Deciduous Forest

Temperate Rain Forest

Taiga

Tundra

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Tropical Rain Forests

Equatorial lowlands

Constant temperature and abundant rainfall all year long

Many arboreal animals

Few terrestrial animals

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Tropical and Subtropical Grassland

Warm temperatures throughout the year

Well defined dry season and rainy season

Large herbivores

High grasses

Scattered trees and shrubs

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Temperate Grassland

Hot, humid summer and cold winter

Precipitation as winter snow and heavy spring and summer rain

Short and tall grasses; trees found only near streams

Wide variety of animal life

Large herbivores

Smaller animals build burrows

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Deserts

Identified by lack of precipitation

Deserts can be cold or hot

Antarctica is a cold desert

Nocturnal animal life in hot deserts

Plants are well adapted to short water supply

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Temperate Deciduous Forests

Deciduous forests of mid‑latitude regions

Cold winters and hot summers

Abundant rain and snowfall

Wide variety of animal life

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Temperate Rain Forests

Cold winters and hot summers