The following graph shows the species-area relationship.Answer the following question as directed.
(a) Name the naturalist who studied the kind of relationship shown in the graph.Write the observation made by him.
(b) Write the situations as discovered by the ecologists when the value of 'Z'(slope of the line) lies
(i)0.1 and 0.2
(ii) 0.6 and 1.2
What does 'z' stand for?
(c) When would the slope of the line 'b' become steeper?