Misc: Which famous screen character was played by champion swimmer Johnny Weissmuller?

Questions

A ---------- never actually sees the food as it eats, since its eyes are on top of its head and its mouth and nostrils are on the bottom.?

A tiger's paw prints are called ----------. A tiger's forefeet have five toes and the hind feet have four toes. All toes have claws. The claws are 80 to 100 mm in length.?

A ---------- fish can swim 100 miles in a single day.?

A type of lizard, the ----------, escapes pursuers by crawling into a crack in a rock and inflating its body with air so that it is wedged tightly into the crack and can't be pulled out.?

A ---------- has about 400 to 700 vibrissae, or whiskers, in 13 to 15 rows on its snout. Vibrissae are attached to muscles and are supplied with blood and nerves. A ---------- moves its snout through bottom sediment to find food. Abrasion patterns created by their tusks show that they are dragged through the sediment, but are not used to dig up prey.?