The extinct animal $Dodo$ belongs to which region?

How is the presently occurring species extinction different from the earlier mass extinctions?

Among the following plants,which one would you consider an endangered plant due to over-exploitation?

The greatest threat to genetic diversity in agricultural crops is

Which of the following plants has become a water weed in this country?

These are regarded as major causes of biodiversity loss:
$A$. Over-exploitation $B$. Co-extinction $C$. Mutation $D$. Habitat loss and fragmentation $E$. Migration
Choose the correct option: