What interaction is there between the brown tree snakes and the birds, lizards, and bats? (Help me please )

Which entry is in the wrong position in the table?

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation