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

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            Korallenzweig der Fall. </s>
            <s xml:id="echoid-s7366" xml:space="preserve">Sie ſind an der Oberfläche mit
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            lebenden Tierchen beſetzt, während die geſtorbenen Tierchen aus
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            älterer Zeit nur ihr ſteinernes Gehäuſe zurückgelaſſen haben,
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            um die Träger der jungen Geſchlechter zu bilden.</s>
            <s xml:id="echoid-s7367" xml:space="preserve"/>
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            <s xml:id="echoid-s7368" xml:space="preserve">Erwägt man hierzu, was wir bereits ausgeſprochen haben,
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            daß ſelbſt die ausgebildeten Tiere, die ſich ganz unverkennbar
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            von den Pflanzen unterſcheiden, doch aus den verſpeiſten
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            Pflanzen erſt gebildet werden, daß der Leib aller lebenden
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            Tiere nur aufgebaut iſt aus den Pflanzenſtoffen, die die Tiere
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            verzehren, ſo wird ein wenig Nachdenken jeden unſerer Leſer
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            einſehen laſſen, daß man die ganze Tierwelt als eine ent-
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            wickeltere Lebenserſcheinung des Pflanzenreiches anſehen kann.</s>
            <s xml:id="echoid-s7369" xml:space="preserve"/>
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            <s xml:id="echoid-s7370" xml:space="preserve">Hält man an dieſem Gedanken feſt, ſo drängt ſich jedem
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            Denkenden die Frage auf, ob nicht vielleicht die ganze Tier-
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            welt erſt aus der Entwickelung einer Pflanzenwelt entſtanden
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            ſein mag?</s>
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            <s xml:id="echoid-s7372" xml:space="preserve">So auffallend dieſe Frage im erſten Augenblick klingen
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            mag, ſo ſehr hat ſie doch die ſcharfſinnigſten Forſcher ernſtlich
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            beſchäftigt; </s>
            <s xml:id="echoid-s7373" xml:space="preserve">weshalb wir ſie auch hier nicht mit Stillſchweigen
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            übergehen wollen. </s>
            <s xml:id="echoid-s7374" xml:space="preserve">Dieſe Frage erhielt durch manche Umſtände
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            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>
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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
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            Pflanzenſtoffen entſtehen, ſondern aus Keimen hervorgehen;
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            </s>
            <s xml:id="echoid-s7380" xml:space="preserve">obwohl es bewieſen iſt, daß die Vermehrung der </s>
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