A group of organisms and the nonliving physical and chemical environment in which they interact is
A) a biosphere.
B) an ecosystem.
C) a closed system.
D) a vernacular region.
Answer: B
You might also like to view...
Which of these regions is high because of a continental collision?
A) 1, Andes of South America
B) 2, East Africa Rift
C) 3, Tibet
D) None of these are correct.
Which type of capital refers to people's physical and mental talents that provide labor, organizational and management skills, and innovation?
A. human B. natural C. artificial D. manufactured E. development
The locations and ages of islands in the Hawaiian Island chain can be used to show
A. the rate and direction of movement of the Pacific Plate. B. the direction of drift of North America. C. the size of earthquakes to be expected in the Pacific Ocean. D. All of the choices are correct.
Which of the following is an effect of high selenium concentrations in stream water?
A) Selenium mining companies will want to extract the selenium and thus damage the aquatic ecosystem. B) Selenium causes birth defects in fish. C) The selenium will react with potassium isocyanate, resulting in cyanide poisoning of organisms living in the stream. D) There are no negative effects from selenium, but high selenium levels generally indicate high levels of substances that are harmful. E) Selenium reacts with oxygen, thus suffocating fish and other aquatic organisms.