Takes the same shape of the plant or animal. The space is sometimes filled with mud. The mud hardens and turns into rock. Cast are often made from a mold. The inside of the sedimentary rock isn't hollow.
American Bandstand, 1957. Dick Clark became host of the locally-produced Bandstand in 1956, just before the show was renamed American Bandstand, shortened to ninety minutes, and expanded to a national ABC audience on August 5, 1957.
Jim Lange hosted The Dating Game for its entire ABC network run and the 1973 and 1978 syndicated editions. The 1986 revival was hosted by Elaine Joyce for its first season and Jeff MacGregor for its remaining two seasons. When the show was revived with a different format in 1996, Brad Sherwood was named as its host.