What statement is incorrect about natural selection

How is the introduction of the cane toad to queensland, australia an example of the unintended consequences of using non-native species to control pests? (site 1)

True or false. in studies examining gender differences and juvenile crime, recent research has shown that the gender gap for drug and violent offenses is getting smaller.

In florida, refusal the submit to testing (first offense) results in a) license revocation b)a 30 day suspension c) a 6 month suspension d) a 12 month suspension