miércoles, 9 de mayo de 2018

domingo, 6 de mayo de 2018

FOOD CHAIN SONG

https://www.youtube.com/watch?v=iWfEn8J5xKM

FOOD CHAINS AND FOOD WEBS

https://www.youtube.com/watch?v=Cd1M9xD482s

ARTIFICIAL ECOSYSTEM

https://www.youtube.com/watch?v=o2n5Hg4Z_JE

AQUATIC ECOSYSTEMS

https://www.youtube.com/watch?v=kL-9TB4qAho

TERRESTRIAL ECOSYSTEMS

https://www.youtube.com/watch?v=4Z2gGL_JMrQ

ECOSYSTEMS

https://www.youtube.com/watch?v=bJEToQ49Yjc

https://www.youtube.com/watch?v=SVsmcI4Zv5U

https://sites.google.com/site/bscsciencetreasures/ecosystems-1/ecosystems-for-kids

http://www.ducksters.com./science/ecosystems/rainforest_biome.php

http://www.geography4kids.com/files/land_intro.html

WHAT IS AN ECOSYSTEM?


https://www.youtube.com/watch?v=JPHqUxxyLsY