Lesson Summary

Photo courtesy of aussiegall/Flickr.
  • Food chains show the relationship between organisms
  • Food webs show the relationship between food chains
  • Changes within food chains/webs can affect ecosystems.
  • A biome is a geographic area that is similar. Biomes are larger than ecosystems.
  • Ecosystems are parts of biomes. A single lake might be an ecosystem that is part of a forest biome.
  • Plants, animals and organic matter all affect life with ecosystems.
Last modified: Thursday, 15 September 2011, 12:22 PM