A keystone species ________
A) is an example of amensalism
B) is typically an herbivore
C) has a disproportionately large impact on the stability of an ecosystem
D) typically reduces overall biodiversity of an ecosystem
C
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The top three U.S. producers of hazardous waste, in order, are
a. the film industry, the computer industry, and the military b. the military, the mining industry, and the chemical industry c. the agricultural industry, the military, and the mining industry d. the military, the chemical industry, and the mining industry e. transportation industries (air and boat travel), the mining industry, and the military
In regard to ocean salinity, temperature, and density:
A. high evaporation in subtropical waters decreases salinity and increases density B. ice formation in polar zones decreases salinity and density C. ice formation in polar zones increases salinity and density D. heavy tropical rainfall increases salinity and decreases density
Erosion, transportation, and deposition are all endogenic processes
a. True b. False Indicate whether the statement is true or false
In which country is the dependency ratio most likely NOT a significant economic concern?
What will be an ideal response?