. Creation by evolution; a consensus of present-day knowledge as set forth by leading authorities in non-technical language that all may understand. Evolution. Fig. 9-—A spore-bearing leaf {megasporo- phyll) from a female cycad {Cycas revoluta), bearing six young spore cases {ovules) con- taining "large" spores \tne gas pores). The spores have developed, within the spore cases, into the egg-bearing phase of the plant \gametophyte). The spore-bearing phase of the next generation begins its development within the tissues of the egg-bearing phase, thus forming the embryo, which resumes


. Creation by evolution; a consensus of present-day knowledge as set forth by leading authorities in non-technical language that all may understand. Evolution. Fig. 9-—A spore-bearing leaf {megasporo- phyll) from a female cycad {Cycas revoluta), bearing six young spore cases {ovules) con- taining "large" spores \tne gas pores). The spores have developed, within the spore cases, into the egg-bearing phase of the plant \gametophyte). The spore-bearing phase of the next generation begins its development within the tissues of the egg-bearing phase, thus forming the embryo, which resumes its growth when the seed germinates. The "small" spores {micro- spores') are borne in microsporophylls on male plants. Reproduced, by permission, from Gager's Funda- mentals of Botany, published by P. Blakiston's Sons and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Mason, Frances Baker; Jordan, David Starr, 1851-1931; Thomson, J. Arthur (John Arthur), 1861-1933; Jennings, H. S. (Herbert Spencer), 1868-1947; Parker, George Howard, 1864-1955; MacBride, E. W. (Ernest William), 1866-1940; Conklin, Edwin Grant, 1863-1952; Scott, William Berryman, 1858-1947; Bather, Francis Arthur, 1863-1934; Gregory, J. W. (John Walter), 1864-1932; Woodward, Arthur Smith, 1864-1944; Gager, C. Stuart (Charles Stuart), 1872-1943; Berry, Edward Wilber, b. 1875; Poulton, Edward Bagnall, Sir, 1856-1943; Shipley, A. E. (Arthur Everett), Sir, 1861-1927; Wheeler, William Morton, 1865-1937; Loomis, Frederic Brewster, b. 1873; Watson, David Meredith Seares, 1886-; Lull, Richard Swann, 1867-; Gregory, William K. (William King), 1876-; Holmes, Samuel J. (Samuel Jackson), 1868-; Smith, Grafton Elliot, Sir, 1871-1937; Huxley, Julian, 1887-1975; Morgan, C. Lloyd (Conwy Lloyd), 1852-1936; Newman, Horatio Hackett, b. 1875. Ne


Size: 1099px × 2274px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorgagercstuartcharlesst, bookcentury1900, bookdecade1920