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
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ReplyDeleteonce more remember that the chain represents a flow of energy and mass through time
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