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Gemmules are resistant to desiccation (drying out), freezing, and anoxia (lack of oxygen) and can lie around for long periods of time.Gemmules are analogous to a bacterium's endospore and are made up of amoebocytes surrounded by a layer of spicules and can survive conditions that would kill adult sponges.
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Holt, Rinehart and Winston – U.S. secondary (grades 6–12) publisher with a leading position in literature and language arts, the largest middle and secondary school discipline. Holt also publishes in science, mathematics, social studies, and world languages.
The brothers Stanley M. Rinehart, Jr. and Frederick R. Rinehart continued to operate the company until its merger with Henry Holt and Company and the John C. Winston Company in 1960, to form Holt, Rinehart and Winston (HRW). [2] The Rinehart brothers were the sons of Mary Roberts Rinehart, a famous mystery writer whose books were published by ...
Holt merged with Rinehart & Company of New York and the John C. Winston Company of Philadelphia in 1960 to become Holt, Rinehart and Winston. The Wall Street Journal reported on March 1 that Holt stockholders had approved the merger, last of the three approvals. "Henry Holt is the surviving concern, but will be known as Holt, Rinehart, Winston ...
Holt McDougal is an American publishing company, a division of Houghton Mifflin Harcourt, that specializes in textbooks for use in high schools.. The Holt name is derived from that of U.S. publisher Henry Holt (1840–1926), co-founder of the earliest ancestor business, but Holt McDougal is distinct from contemporary Henry Holt and Company, which claims the history from 1866.
In 2003, Holt, Rinehart and Winston said it re-evaluated the use of the peppered moth and Haeckel's drawing of embryos from its textbook prior to publication. [40] The publisher said, ". . . in Holt Biology Texas of the Miller–Urey experiment carefully indicates the mistakes made in the assumptions about the early atmosphere.
Holt & Co. history (abstract) American literature is going to the dogs; it is the fault of magazines, says Henry Holt, who laments their exploitation of names and accuses government of unduly favoring them. New York Times, January 9, 1916. New York Times Article - Residence of Holt; Henry Holt at Library of Congress, with 16 library catalog records