One way to control herd sizes in national parks is the reintroduction of predators, but this course is opposed by
A. animal rights activists.
B. neighbors and local ranchers.
C. wilderness advocates.
D. scientists.
E. park rangers.
Answer: B. neighbors and local ranchers.
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The component of a plant cell that stores energy is the __________
a. central vacuole b. chloroplasts c. chromoplasts d. leucoplasts
The impact of a large asteroid comet with Earth has been proposed to have caused the extinction of the dinosaurs. The impact site of this comet is in or near
a. Iowa. b. Hudson Bay. c. Crater Lake, Oregon. d. Canberra, Australia. e. Chicxulub, Mexico.
Plant cells that are actively dividing are ________ cells
A) differentiated B) conducting C) vascular D) meristem E) ground
The "confusion effect" occurs ____.
A. when one animal flees a threat and others in the group do the same B. when animals group and present a solid front to predators C. when there is a “selfish herd” D. in a hierarchal living group E. in the mimicking of another species to escape predation