Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In sexual reproduction, gametes containing a single set of chromosomes combine ...
Most animals, including humans, carry an internal lunar clock, tuned to the 29.5-day rhythm of the Moon. It guides sleep, ...
Many mountain gorillas keep living - vigorous and socially engaged - for a decade or more beyond the years of reproduction.
When Homo sapiens and Neanderthals interbred, a genetic variation affecting red blood cells may have hindered reproduction in ...
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