sábado, 13 de diciembre de 2014

ECOLOGY AND ECOSYSTEMS

Here you have an useful "prezi", specially prepared for students (2 ESO, Natural Sciences) to study the unit about "Ecology and ecosystems". 
These are the topics:
- Ecology.
- Ecosystems.
- Biotic and abiotic components.
- Ecological levels of organization.
- Flow of energy and food: producers, consumers and decomposers.
- Food chains and food webs.
Enjoy it!

http://prezi.com/ch_-jgujfc0a/?utm_campaign=share&utm_medium=copy&rc=ex0share