Question

On the nature trail at Pennsylvania State University, tall pine trees have reduced the amount of sunlight that reaches the forest floor. While hardwood trees flourish in shaded regions, pine seedlings require sunlight. Ecologists believe that over time, the hardwood trees will replace the pine trees. This scenario is an example of which concept?
A. competition
B. succession
C. natural selection
D. cross pollination

Answer 1

The answer will be B.Succession