TY - BOOK AU - Jean,Frank Covert AU - Harrah,Ezra Clarence AU - Herman,Fred Louis AU - Powers,Samuel Ralph TI - Man and his biological world,: by Frank Covert Jean, Ezra Clarence Harrah and Fred Louis Herman.. AV - QH308 .J4 1944 U1 - 571 JEA PY - 1944///] CY - Boston, New York [etc.] PB - Ginn and company KW - Biology N1 - 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 ER -