UnScramble this Word: a e s t a a n?

Questions

Cockroaches favorite food is the glue on the back of---------- .?

Dinosaurs went extinct about 65 million years ago, after living on Earth for about ---------- million years.?

During it's lifetime an ---------- changes its sex from male to female and back several times.?

---------- can live in captivity for up to 46 years.?

Eagles can live in captivity for up to ---------- years.?