connecting links
connecting links, Brückenformen, Pflanzen und v.a. Tiere, die Merkmale höherer systematischer Einheiten in sich vereinigen und die somit indirekte Beweise für die Abstammung von gemeinsamen Urformen liefern. Beispiele sind unter den rezenten B. das Schnabeltier Ornithorhynchus, ein Säuger mit Reptilienmerkmalen, unter den fossilen B. der Archaeopteryx mit Reptilien- und Vogelmerkmalen.

Deutsch wörterbuch der biologie. 2013.

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