| Term | Definition |
| Tundra | Treeless biome with a layer of permafrost. For plant life it has short grasses, and shrub. Animal species would include caribou, polar bears, birds, insects, wolves, samon, trout. The average precipitation 15-25 cm a year. |
| Boreal Forest | coniferous forest. Plant life includes spruce & fir trees, decidous trees, and small shrubs. Animal life includes birds, moose,beavers,deer,wolverines, and mountain lions. The average precipitation is 30-84 cm a year. |
| Temperate Forest | composed of broad-level deciduous trees. The plant life includes oak,beech, and maple trees, shrubs. Animal life includes squirrels, rabbits, skunks, birds, deer, foxes, and black bears. The average precipitation is 75-150cm per year |
| Temperate Woodland and Shrubland | mixed shrub communties. Plant species consist of evergreen shrubs, corn oak. Animal species consist of foxes, jackrabbits, birds, bobcats, coyotes, lizards, snakes, butterflies. The average precipitation is 38-100 cm per year |
| Temperate Grassland | fertile sole, and thick cover of grass. Plant Species include grasses and herbs. Animal species consist of gazelles, bison, horses, lions, deer, mice, coyotes, foxes, wolves, birds, quail, snakes, grasshoppers, spiders. The average rainfall is 50-89 cm per year |
| Desert | Plant life consists of cacti, Joshua trees, succulents. Animal species consist of lizards, bobcats, birds, tortoises, rats, antelope, desert toads. The average precipitation is 2-26 cm per year |
| Tropical Savanna | Characterized by grasses and scattered trees. Plant species consist of grasses and scattered trees. Animal species consist of lions, hyenas, cheetahs, elephants, giraffes, zebras, bird, insects. The average precipitation is 50-130 cm per year. |
| Tropical Seasonal Forest | dry forests. Plant species consist deciduous and evergreen trees, orchids, and mosses. Animal species consist of elephants, tigers, monkeys, koalas, rabbits, frogs, spiders. The average precipitation would be greater then 200 cm per year |
| Tropical Rain Forest | warms temperatures, and large amounts of rainfall. The plant life consists of broadleaf evergreens, bamboo, sugar cane. The animal consists of chimpanzees, Bengal Tigers, elephants, orangutans, bats, toucans, sloth, cobra snakes. The average precipitation is 200-1000 cm per year. |