Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 6/11, 1897

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        <div xml:id="echoid-div263" type="section" level="1" n="185">
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            <s xml:id="echoid-s7365" xml:space="preserve">
              <pb o="77" file="561" n="561"/>
            Korallenzweig der Fall. </s>
            <s xml:id="echoid-s7366" xml:space="preserve">Sie ſind an der Oberfläche mit
              <lb/>
            lebenden Tierchen beſetzt, während die geſtorbenen Tierchen aus
              <lb/>
            älterer Zeit nur ihr ſteinernes Gehäuſe zurückgelaſſen haben,
              <lb/>
            um die Träger der jungen Geſchlechter zu bilden.</s>
            <s xml:id="echoid-s7367" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7368" xml:space="preserve">Erwägt man hierzu, was wir bereits ausgeſprochen haben,
              <lb/>
            daß ſelbſt die ausgebildeten Tiere, die ſich ganz unverkennbar
              <lb/>
            von den Pflanzen unterſcheiden, doch aus den verſpeiſten
              <lb/>
            Pflanzen erſt gebildet werden, daß der Leib aller lebenden
              <lb/>
            Tiere nur aufgebaut iſt aus den Pflanzenſtoffen, die die Tiere
              <lb/>
            verzehren, ſo wird ein wenig Nachdenken jeden unſerer Leſer
              <lb/>
            einſehen laſſen, daß man die ganze Tierwelt als eine ent-
              <lb/>
            wickeltere Lebenserſcheinung des Pflanzenreiches anſehen kann.</s>
            <s xml:id="echoid-s7369" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7370" xml:space="preserve">Hält man an dieſem Gedanken feſt, ſo drängt ſich jedem
              <lb/>
            Denkenden die Frage auf, ob nicht vielleicht die ganze Tier-
              <lb/>
            welt erſt aus der Entwickelung einer Pflanzenwelt entſtanden
              <lb/>
            ſein mag?</s>
            <s xml:id="echoid-s7371" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7372" xml:space="preserve">So auffallend dieſe Frage im erſten Augenblick klingen
              <lb/>
            mag, ſo ſehr hat ſie doch die ſcharfſinnigſten Forſcher ernſtlich
              <lb/>
            beſchäftigt; </s>
            <s xml:id="echoid-s7373" xml:space="preserve">weshalb wir ſie auch hier nicht mit Stillſchweigen
              <lb/>
            übergehen wollen. </s>
            <s xml:id="echoid-s7374" xml:space="preserve">Dieſe Frage erhielt durch manche Umſtände
              <lb/>
            eine weſentliche Stütze; </s>
            <s xml:id="echoid-s7375" xml:space="preserve">wir haben ja bereits in Teil I bei
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            Beſprechung der Abſtammungslehre auf den Gegenſtand hin-
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            gewieſen.</s>
            <s xml:id="echoid-s7376" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div265" type="section" level="1" n="186">
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            <emph style="bf">XXIX. Die Selbſtzeugung.</emph>
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            <s xml:id="echoid-s7377" xml:space="preserve">Obwohl die gründliche Beobachtung und Unterſuchung,
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            z. </s>
            <s xml:id="echoid-s7378" xml:space="preserve">B. </s>
            <s xml:id="echoid-s7379" xml:space="preserve">der Infuſorien gezeigt hat, daß ſelbſt die kleinſten
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            tieriſchen Weſen nicht, wie man ehedem glaubte, aus zerfallenden
              <lb/>
            Pflanzenſtoffen entſtehen, ſondern aus Keimen hervorgehen;
              <lb/>
            </s>
            <s xml:id="echoid-s7380" xml:space="preserve">obwohl es bewieſen iſt, daß die Vermehrung der </s>
          </p>
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