Choose the correct type of ecological pyramid on the basis of the following data of dry weights.
(i) Secondary consumer -$11 \mathrm{kg} {\mathrm{m}}^{–2}$
(ii) Tertiary consumer - $1.5 \mathrm{kg} {\mathrm{m}}^{–2}$
(iii) Primary producer - $809 \mathrm{kg} {\mathrm{m}}^{–2}$
(iv) Primary consumer - $37 \mathrm{kg} {\mathrm{m}}^{–2}$