epigonal organ
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Chondrichthyes — Cartilaginous fishes Temporal range: 461–0 Ma[1] … Wikipedia
Fish — are aquatic vertebrate animals that are typically ectothermic (previously cold blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being … Wikipedia
Ernst Balcke — (* 9. April 1887 in Berlin; † 16. Januar 1912 ebenda) war ein deutscher Autor. Als bester Freund des Dichters Georg Heym verunglückte er mit diesem, der ihn retten wollte, tödlich beim Schlittschuhlaufen auf der Havel [1]. Inhaltsverzeichnis … Deutsch Wikipedia
pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th … Universalium
