ECOSYSTEMS

  An ecosystem is the living things and non-living things  in a specific area  and the interaction that occurs between them.

Living things in an ecosystem

1-Flora


2-Fauna
 
3-Fungi

4-Microorganisms
bacteria, algae, protozoan



Food webs and food chains  

One of the most important relationships  between living things in an ecosystem is energy.
Every organism needs energy to live.
ENERGY moves through food chains and food webs.

FOOD CHAINS


THE FOOD CHAIN SONG

 FOOD CHAINS

FOOD WEBS

 

Desert 

forest

Grassland

Marine

Urban

TERRESTRIAL ECOSYSTEMS 

ECOSYSTEMS OF SPAIN