Which of the following is correctly matched?
(a) Aerenchyma – Opuntia
(b) Age pyramid – Biome
(c) Parthenium – Threat to
hysterophorus biodiversity
(d) Stratification – Population
(a) Aerenchyma – Opuntia
(b) Age pyramid – Biome
(c) Parthenium – Threat to
hysterophorus biodiversity
(d) Stratification – Population