UnScramble this Word: o a l y n i t t?

Questions

Mexican jumping beans jump because of a ____ ______ inside the bean?

A 6 pound sea-hare can lay ______ eggs in a single minute?

In 1978 the United Nations Food and Agricultural Organisation estimated that 'all the tea in China' amounted to approx. _______ tonnes?

The ________ is the only animal whose evidence is admissible in an American court?

Only the _____ nightingale sings?