If a dam is built downstream and prevents salmon migration to the test sites, which of the following most accurately predicts the impact on nitrogen influx?
a. nitrogen influx will increase because the bears will no longer store nitrogen from the salmon
b. nitrogen influx will decrease because there will be less bear-salmon interaction
c. nitrogen influx will remain stable because organisms other than bears and salmon will mobilize nitrogen in the environment
d. nitrogen influx will increase because bears will longer lose nitrogen to the salmon
Answer: B