What is bycatch?
a. Organisms unintentionally killed during the harvesting of a different, desirable species
b. The number of organisms caught in a trawl
c. The number of organisms that can be harvested without impairing future generations
d. The targeted organisms for a harvest
ANS: A
Sometimes bycatch can exceed the target catch. One of the worst fisheries in terms of producing
bycatch is shrimp off the Gulf Coast. Information can be found in the section Biological Resources
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Overpopulation will affect many Earth systems, but there is enough fresh water for many billions of
people. Indicate whether the statement is true or false.
Examine the satellite image of Death Valley, California
A) What province of the United States is it located within? B) Identify the various desert landforms seen there; circle and label them. C) Describe how each one forms. D) Finally, describe the sequence of events that produced this scene over time.
Every year, sugar cane is harvested by individuals who travel to specific locations in Brazil to carry out this labor intensive work. This migration patterns is best described as
A) seasonal mobility.
B) agricultural transience.
C) emigration.
D) relocational mobility.
E) immigration.
Slumps are characterized by
A. liquefaction. B. somewhat coherent pieces of earth that rotate on a curved surface. C. complete mixing of earth materials as it moves down slope. D. lateral spreading.