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Published on Visualizing Ecology (http://www2.evergreen.edu/visecowinter)

Bush Ch. 6, 8.3, 8.4, 9 Food Webs lecture on Jan 30

By scheuers
Created 2007-01-24 09:18
Reading Questions for Bush Ch. 6 

Define autotroph and heterotroph

 

Define endothermy and ectothermy

 

Describe the range in percent of energy that can pass from one step in the food chain to the next step and how this relates to endotherms and ectotherms.

 

What limits the number of steps (trophic levels) in a food chain?

 Reading Questions for Bush Ch. 8.3-8.4 

Define density-independent factors in relation to population fluctuations.

 

Define environmental gradients

 

Define niche

 

Define guild

 Reading Questions for Bush Ch. 9 

Define food web and describe how it is different than a food chain.

 

What does Bush say about the effect of losing one species on a food web? How about losing an entire trophic level in a food web?


Source URL:
http://www2.evergreen.edu/visecowinter/visecowinter/bush-ch-6-8-3-8-4-9-food-webs-lecture-on-jan-30