Trophic Cascade
What will be an ideal response?
A series of changes in the population sizes of organisms at different trophic levels in a food chain, occurring when predators at high trophic levels indirectly promote populations of organisms at low trophic levels by keeping species at intermediate trophic levels in check. Trophic cascades may become apparent when a top predator is eliminated from a system.
You might also like to view...
A legal form of segregation in U.S. cities is achieved through
A) blockbusting. B) redlining. C) zoning. D) greenbelts. E) busing.
Dust storms ____
a. ?are only a concern in areas near deserts b. ?affect vegetation and agriculture, but have little direct effect on humans c. ?can cause effects on a global scale d. ?are always caused by weather patterns and are not affected by human activity e. ?are prevented by agricultural planting in sensitive areas
Which statement relates to weather rather than climate?
a. The average temperature for the month of January is 28°F. b. The lowest temperature ever recorded in Frozenlake, Minnesota is -57°F. c. The foggiest month of the year is December. d. I like the warm, humid summers. e. It is cloudy and snowing outside.
These high-latitude, periglacial soils contain about half of the pool of global carbon
A) Gelisols B) Spodosols C) Oxisols D) Mollisols