24/9/13

Unit 1 - Ecosystems


What is an ecosystem?


http://www.cod.edu/people/faculty/fancher/FoodChain.jpg
Do you remember what is a food chain? Here you can review
Play the food chain game; Go from the simple chain to the full one!




Here you are different examples of food chains:
http://www.enchantedlearning.com/subjects/foodchain/samplefoodchains.GIF



Now you know what is a food chain, but... have you ever listen about "food web"? Click!

Every living thing needs energy in order to live. Everytime animals do something (run, jump) they use energy to do so.
Animals get energy from the food they eat, and all living things get energy from food. Plants use sunlight, water and nutrients to get energy in a process called photosynthesis. 

Do you want to learn more about that process? Click and learn about photosynthesis!     
(website)