Which of the following is an example of an allogenic change that drives succession?
A)seasonal changes in temperature,photoperiod,and light intensity
B)increased shading of seedlings by adult trees in a forest
C)increased nitrogen availability in soil due to the presence of leguminous plants
D)reduced salinity due to surface shading by grasses in a salt marsh

Question

Quizplus · Accepted Answer

Allogenic changes are external environmental changes that drive succession, such as seasonal variations in temperature, photoperiod, and light intensity. These factors are not directly caused by the organisms in the ecosystem but rather are external conditions that affect the ecosystem's development.

Which of the Following Is an Example of an Allogenic