ECOSYSTEMS

Unit 4 is about ecosystems. Here, you have some links about this topic.
First, play using this links, later we will study. Enjoy yourself!
http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/play_chainreaction.cfm

http://www.ecokids.ca/pub/eco_info/topics/landuse/ladybug/index.cfm

http://www.ecokids.ca/pub/eco_info/topics/water/heron/index.cfm

http://www.ecokids.ca/pub/eco_info/topics/water/water/index.cfm