(a) Name the two growth models that represent population growth and draw the respective growth curves they represent.
(b) State the basis for the difference in the shape of these curves.
(c) Which one of the curves represent the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.
(a) Expontental growth curve, logistics growth curve
a- expontential growth curve
b - logistic growth curve
(b) Expontential growth - food resources and space unlimited
Logistic growth - Food resouces and space limited
(c) Expontential growth
not sustainable, as resources are limited / carrying capacity.