01953cam a22003131 4500 2838 2838 9737370 OSt 20190927124552.0 750805s1944 xx 000 0 eng 44006583 (OCoLC)1509892 DLC FMU DLC premarc QH308 .J4 1944 571 JEA Jean, Frank Covert, 1880- Man and his biological world, by Frank Covert Jean, Ezra Clarence Harrah and Fred Louis Herman... with the editorial collaboration of Samuel Ralph Powers... Boston New York [etc.] Ginn and company [c1944] viii, 630, [1] p. illus., diagrs. 23 cm. Revised edition of v. 2 of the authors' An introductory course in science for colleges, published under the title: Man and the nature of his biological world, 1934. "References" at end of each chapter. Life became associated with protoplasm, which requires a constant supply of food // Living organisms must provide for the perpetuation of their own kind // Living things must adjust themselves to their environments // Science has made great discoveries relative to the nature and control of disease // Synthesis and decomposition form a cyle in nature // The adaptations of plants and animals have been seriously disturbed by man // Living organisms have evolved in response to changing environment // Mendel discovered genetic principles which make possible the improvement of all living species // Man's cultural development moved slowly at the outset but has been greatly accelerated by science and invention // Glossary // Index // Biology. Harrah, Ezra Clarence, 1889- joint author. Herman, Fred Louis, 1894- joint author. Powers, Samuel Ralph, 1887-1970, ed. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc STS 0 0 ddc 0 0 41/1 AIISH AIISH 2019-09-27 0 571 JEA 2218 2019-09-27 00:00:00 2019-09-27 STS