Which of the following is correctly matched
Aerenchyma-Opuntia
Age pyramid-Biome
Parthenium hysterophorus-Threat to biodiversity
Stratification-Population
Option 1)
Aerenchyma-Opuntia
Option 2)
Age pyramid-Biome
Option 3)
Parthenium hysterophorus-Threat to biodiversity
Option 4)
Stratification-Population