You are an abcteach Member, but you are logged in to the Free Site. To access all member features, log into the Member Site.
  PowerPoint: Presentation with Audio: Ecosystems 2: Terrestrial Ecosystems, Life on Land (upper elem/middle/high)
PowerPoint with Audio. Part of the Living on Planet Earth series. This presentation includes colorful images and illustrations to explain how land formations support living things. Forest, grassland, desert and tundra are the four major terrestrial ecosystems of our planet.
= Member Site Document