The Earths Land Biomes
A Biome is a large area characterized by its climate and the plants and animals that live in that area
· A biome will have similar ecosystems.
· A biome will have similar animals
· A biome will have similar climate
· Some examples of biomes are forests, grasslands, deserts and mountains
Have mild temperatures
Lots of rain.
Lots of trees and other plants.
Three main types based on main tree type:
· Temperate Deciduous,
o Deciduous trees have leaves that fall off
o Usually has four seasons
o Trees create a top layer
o Bushes, ferns and mosses cover the floor.
o Birds, bears, deer, turtles, snakes are all very common.
o Average Yearly Rainfall 75 to 125 cm (29.5 to 49 in.)
o Average Temperatures Summer: 28ºC (82ºF) Winter: 6ºC (43ºF)
· Coniferous (taiga),
o Most trees areconifers which are trees with cones and needle shaped leaves.
o The threes areevergreens which means the leaves stay on the tree all year.
o Usually dryer than deciduous forest.
o Usually has harsh cold winters.
o Average Yearly Rainfall 35 to 75 cm (14 to 29.5 in.)
o Average Temperatures Summer: 14ºC (57ºF) Winter: −10ºC (14ºF)
o Large mammals such as moose and elk. Very few reptiles
· Tropical Rain Forest.
o The most diverse ecosystems on earth.
o ‘Tall trees that make a Canopy
§ a canopyis a forest ceiling made by trees.
§ Many animals live in the canopy
o Very thick plant life
o More rain than anywhere else
o Famous for colorful frogs, exotic birds, apes and monkey.
o Average Yearly Rainfall up to 400 cm (157.5 in.)
o Average Temperatures Daytime: 34ºC (93ºF) Nighttime: 20ºC (68ºF)
- Grasslands are usually warm and dry.
- More water than a desert but less than a forest.
- Mostly covered with grass and very few trees.
- Large herbivores graze on the grass
- Two main types, prairies and savannas
Prairie (Temperate Grassland)
§ Fires, droughts and grazing prevent trees.
§ Full of small seed eating animals
o Prairie dogs and mice
§ Also full of large grass eating herbivores.
o Bison (buffalo)
§ Average Yearly Rainfall 25 to 75 cm (10 to 29.5 in.)
§ Average Temperatures Summer: 30ºC (86ºF) Winter: 0ºC (32ºF)