The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895C. Scribner's Sons, 1897 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 53
Pagina v
... CELLS , TISSUES , AND ORGANS . 32 Amœba : Its anatomy and physiology . — Development of the cell.— Hydra : The development of digestive and reproductive organs , and of tissues . - Forms intermediate between amoeba and hydra ...
... CELLS , TISSUES , AND ORGANS . 32 Amœba : Its anatomy and physiology . — Development of the cell.— Hydra : The development of digestive and reproductive organs , and of tissues . - Forms intermediate between amoeba and hydra ...
Pagina 5
... cells and tis- sues which in other twigs turn into green leaves here become the petals and other organs of the rose or violet . Let us suppose for a moment that every rose and violet required a special act of immediate creation , would ...
... cells and tis- sues which in other twigs turn into green leaves here become the petals and other organs of the rose or violet . Let us suppose for a moment that every rose and violet required a special act of immediate creation , would ...
Pagina 25
... cells , egg and spermatozoon . And these , fused in the process of fertilization , form still a single cell . And when this single cell proceeds through successive embryonic stages to develop into an adult individual it naturally ...
... cells , egg and spermatozoon . And these , fused in the process of fertilization , form still a single cell . And when this single cell proceeds through successive embryonic stages to develop into an adult individual it naturally ...
Pagina 31
... no speech nor language , her voice is not heard . But her rule is gone out throughout all the earth , and her words to the end of the world . " CHAPTER II PROTOZOA TO WORMS : CELLS , TISSUES , THE PROBLEM : THE MODE OF ITS SOLUTION 31.
... no speech nor language , her voice is not heard . But her rule is gone out throughout all the earth , and her words to the end of the world . " CHAPTER II PROTOZOA TO WORMS : CELLS , TISSUES , THE PROBLEM : THE MODE OF ITS SOLUTION 31.
Pagina 32
... the contractility of our muscular cells . Prick it with a needle and it con- ... ek tracts . It recognizes its food even at CHAPTER II PROTOZOA TO WORMS: CELLS, TISSUES, AND ORGANS Amœba: Its anatomy and physiology —Development of the cell.
... the contractility of our muscular cells . Prick it with a needle and it con- ... ek tracts . It recognizes its food even at CHAPTER II PROTOZOA TO WORMS: CELLS, TISSUES, AND ORGANS Amœba: Its anatomy and physiology —Development of the cell.
Altre edizioni - Visualizza tutto
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become better birds body brain cells conformity to environment conscious degeneration dominant ectoderm embryo embryology existence experience eyes fish functions future ganglion gastrula gills give groups higher animals higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial membrane ment mental mind mode modified mollusks moral mouth muscles muscular muscular system mutability of species natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral cavity possible primitive probably progress protoplasm protozoa purely race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebrates volvox young