Multiple choice questions:
Lande’s theoretical work contributed to the listing of the northern spotted owl as a threatened
species in the United States. Which threat to the owl did Lande’s work identify?When wolves
were restored to Yellowstone National Park, elk foraging behavior changed. beaver
populations declined. there was a reduction in the recruitment of aspen and
cottonwood. willow populations increased.
Solution
A). Beaver population declined .
B) Demographic stochasticity , this source of extinction pressure raised from chances events in
the survival & reproductive success of a certain group of individuals..
Multiple choice questionsLande’s theoretical work contributed to .pdf
1. Multiple choice questions:
Lande’s theoretical work contributed to the listing of the northern spotted owl as a threatened
species in the United States. Which threat to the owl did Lande’s work identify?When wolves
were restored to Yellowstone National Park, elk foraging behavior changed. beaver
populations declined. there was a reduction in the recruitment of aspen and
cottonwood. willow populations increased.
Solution
A). Beaver population declined .
B) Demographic stochasticity , this source of extinction pressure raised from chances events in
the survival & reproductive success of a certain group of individuals.
