Bush Ch. 6, 8.3, 8.4, 9 Food Webs lecture on Jan 30
Submitted by scheuers on Wed, 01/24/2007 - 9:18am.
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. 8.3-8.4Define density-independent factors in relation to population fluctuations.
Define environmental gradients
Define niche
Define guild
Reading Questions for Bush Ch. 9Define 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?