Misc: In 1907 Earl S Tupper invented---------- , born. ?

Questions

Elephant tusks grow throughout an elephant's life and can weigh more than 200 pounds. Among Asian elephants, only the males have tusks. Both sexes of ---------- elephants have tusks.?

At birth, baby ---------- are only about an inch long - no bigger than a large waterbug or a queen bee.?

Koalas and humans are the only animals with unique prints. Koala prints cannot be distinguished from human ----------?

---------- and short-tailed shrews get by on only two hours of sleep a day.?

At birth, the white whale is ----------?