What is external fertilization?

Jan 1, 1988 ... By R. K. Shannon, G. E. Crow, and Arthur C. Mathieson, Published on 01/01/88. Sexual reproduction was an early evolutionary innovation after the appearance of eukaryotic cells. The fact that most eukaryotes reproduce sexually is ... Meiosis, unlike mitosis, involves a single round of DNA replication followed by two rounds of cell division. Mar 22, 2016 ... A fungal disease that poses a serious threat to cacao plants - the source of chocolate - reproduces clonally, Purdue University researchers find. Feb 24, 2017 ... This research suggests that a virus could be behind eukaryotic reproduction on Earth. It nevertheless remains possible that, on the contrary, it was the ... We conducted a molecular genetic test of this indication that bdelloid rotifers may have evolved without sexual reproduction or genetic exchange. Mar 26, 2007 ... Field observations of sexual reproduction of all species related to those observed to reproduce in public aquariums. Whenever information on ... Oct 18, 2001 ... Studies by scientists at the University of California, Santa Barbara show that sexual reproduction wins out, in an evolutionary sense, over ... Jul 14, 2021 ... Comments220 · Eutrophication Explained · This Disease is Deadlier Than The Plague · Advantages of Sexual and Asexual Reproduction · Pregnancy - ... What drives the maintenance of sexual reproduction in Eukaryota is a key question in evolutionary biology. Modelling and empirical studies investigating ...