Which of the following is correctly matched ?
Aerenchyma-Opuntia
Age pyramid-Biome
Parthenium-Threat tohysterophorusbiodiversity
Stratification-Population
Which one of the following is an example ofex situ conservation?
Manas sanctuary is located at
The dolphin found in Chilka lake is
The largest tiger reserve in India is
What does ‘Red’ indicate in the $\mathrm{IUCN}$ Red list $(2004)$ ?