Biomes

Mrs. Calvo’s 7th Grade Science

Objectives

1. To introduce biomes of the ecosystem.

2. To summarize the characteristics of biomes.

Biomes of the World

The Major Biomes of Earth

http://ks3geoblogbytes.wordpress.com/year-9/

• Forest

• Desert

• Tundra

• Marine

• Grassland

Forest

• Trees• Deforestation• Boreal:

Evergreens• Deciduous:

Maple, oak, hickory, elm

• Rainhttp://www.pics4learning.com/details.php?img=picture3.png

Desert

• Antarctica• 10 inches of

precipitation• Sandy, rocky,

and porous soil.

• Evaporation• Few plants and

animalshttp://www.ucmp.berkeley.edu/exhibits/biomes/deserts.php

Tundra

• North Pole• Permafrost• Short trees

and shrubs• White coats

http://www.ucmp.berkeley.edu/exhibits/biomes/tundra.php

Permafrost

Grass and moss for grazing

Marine Environment

Water71%

Land29%

Water on Earth’s Surface

http://www.pics4learning.com/details.php?img=57650024_2.jpg

Grassland

• Few trees• Windy• Grazing• Fire

http://www.pics4learning.com/details.php?img=antelopeislandhillsprairie.jpg

Forest Three types of forest: Boreal, deciduous, and Rain

Desert Cold or HotAverage Rainfall < 10 inches

Tundra Little sunlight, short plants, cold temperatures.

Marine Environments Water covers most of the world. Most varied life.

Grasslands Windy, grass, perfect for grazing animals.

Summary

Reference

Pitt, D, & Sampson, PR. (1999). The biosphere and noonsphere reader: global environment, society and change . London: Routledge.

University of California Museum of Paleontology. (2007). The world’s biomes. http://www.ucmp.berkeley.edu/exhibits/biomes/index.php