Which two parameters measure ecosystem changes?
a. resistance and resilience
b. resistance and equilibrium
c. biomagnification and resilience
d. gross primary productivity and net primary productivity
a. resistance and resilience
You might also like to view...
Of the organisms mentioned in this study, which is an autotroph?
a. soybeans b. bacteria c. bean bugs d. both bacteria and bean bugs
The amount of plant biomass in an area may increase if there is an increase in the amount of
A. symbiotic nitrogen-fixing bacteria. B. succession. C. competition. D. denitrifying bacteria.
Identify the correct sequence that freshwater will flow through.
A. ocean - clouds - stream - estuary - river B. clouds - river - stream - delta - wetlands - ocean C. clouds - streams - river - wetlands - delta - ocean D. cloud - river - stream - delta - marsh - ocean E. ocean - delta - estuary - river - stream - marsh
A microbiologist inoculates a flask of broth with 1 ml of 100 bacterial cells/ml. The generation time of the species is 1 hour, and there is no lag phase. How long will it be before the culture contains more than 6,000 cells/ml?
A) 12 hours B) 6 hours C) 2 hours D) 4 hours E) 10 hours