Question

The following graph depicts changes in two population (a and b) of herbivores in a grassy field. A possible reason for these changes is that:

• A. Population ‘b’ competed more successfully for food than population ‘a’.
• B. Population ‘a’ produced more offspring than population ‘b’.
• C. Population ‘a’ consumed the members of population ‘b’.
• D. Both plant populations in this habitat decreased.

Answer 1

The correct option is A

Population ‘b’ competed more successfully for food than population ‘a’.

Population ‘b’ competed more successfully for food than population ‘a’. This is evident from the graph going up and showing an increase in the number of organisms while that of 'a' is coming down.