Based upon what we are learning about invasive lionfish populations in the Caribbean and along the Atlantic coast of the United States, these lionfish populations __________.
a. can be controlled by introducing a new lionfish predator from the region where lionfish naturally occur
b. can be eliminated by holding regular lionfish derbies encouraging people to catch as many lionfish as possible
c. cannot be eliminated by any means currently known
d. can be eliminated by setting traps widely in these regions
Ans: c. cannot be eliminated by any means currently known
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Which type of economist views economic systems as subsystems of the biosphere that depend heavily on irreplaceable natural resources?
A. Neoclassical B. Ecological C. Environmental D. Classical E. Full-cost
National parks can be viewed as habitat islands surrounded by
a. Logging b. industrial activity and mining c. mining and logging d. mining, logging and agriculture e. mining, logging, agriculture and industrial activity
____________________are ridges or mounds of unsorted, unstratified debris deposited by a glacier along its margins
or at its terminus. Fill in the blank(s) with the appropriate word(s).
The North Star (Polaris) will always be in this position in the night sky
Indicate whether the statement is true or false