Which is an example of secondary succession? Mark only one oval. A) Beach grasses colonize a newly formed sand dune. B) Retreating glaciers leave alluvial soils for cottonwood trees to colonize. C) A shift in river flow introduces sediment to a rocky area. D) A farmer allows an agricultural field to return to native grassland. An old pine tree in someone's front yard is beginning to die as the neighborhood deciduous trees have grown in abundance and size. Based on the ideas of the concept of succession, why might this be? Mark only one oval. A) Deciduous trees have depleted the soil of nutrients. B) The pine tree is shade intolerant. C) The pine tree has depleted the soil of nutrients. D) Deciduous trees are shade intolerant. E) Salt water most likely has intruded the area The number of species within a community is usually greatest when which of the following occurs? Mark only one oval. A) no disturbance occurs. B) a low frequency of disturbance occurs. C) an intermediate frequency of disturbance occurs. D) a high rate of disturbance occurs.
Which is an example of secondary succession? Mark only one oval. A) Beach grasses colonize a newly formed sand dune. B) Retreating glaciers leave alluvial soils for cottonwood trees to colonize. C) A shift in river flow introduces sediment to a rocky area. D) A farmer allows an agricultural field to return to native grassland. An old pine tree in someone's front yard is beginning to die as the neighborhood deciduous trees have grown in abundance and size. Based on the ideas of the concept of succession, why might this be? Mark only one oval. A) Deciduous trees have depleted the soil of nutrients. B) The pine tree is shade intolerant. C) The pine tree has depleted the soil of nutrients. D) Deciduous trees are shade intolerant. E) Salt water most likely has intruded the area The number of species within a community is usually greatest when which of the following occurs? Mark only one oval. A) no disturbance occurs. B) a low frequency of disturbance occurs. C) an intermediate frequency of disturbance occurs. D) a high rate of disturbance occurs.
Chapter41: Community Ecology
Section: Chapter Questions
Problem 9SA: Growth of a forest in an abandoned corn field is an example of _______. a. primary succession c....
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