Thursday, May 12, 2011

4.5b - Food Webs






- Food webs allow better description of the ecosystem (community of organisms which are interacting - feeding) 
- Food web allows us to show organisms feeding at different trophic levels 
- consequences of feeding at diff levels - organisms can have multiple predators
                                                                      - organisms may be feeding on multiple pray 
                                                                      - results in food chains becoming linked 
- producer is grass 
- P.C - rabbit, beetles, slugs, mice, woodlice
- S.C - small birds, badger, hawk 
- T.C - Hawk 

2 comments:

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  2. once more remember that the chain represents a flow of energy and mass through time

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