useless trivia: What Word Means: A Pagoda?

Questions

A hippopotamus has a stomach 10 feet long, capable of holding 6 bushels of ----------?

A Holstein cow's spots are like a ---------- or a snowflake; no two cows have exactly the same pattern of spots.?

A horse can sleep ----------?

A ---------- focuses its eye by changing the angle of its head, not by changing the shape of the lens of the eye, as humans do.?

A horseshoe for a full-grown Clydesdale measures more that ---------- inches from end to end and weighs about five pounds. It is more than two times as long and four times as heavy as a shoe worn by a riding horse.?