Predation risk drives the evolution of the placenta

An international team of scientists led by assistant professor Bart Pollux from Wageningen University & Research has showed that predators are driving the evolution of more complex placentas. They studied populations of the live-bearing and placental freshwater fish Poeciliopsis retropinna in Costa Rica and published their results in the scientific journal Ecology Letters.

from Phys.org - latest science and technology news stories https://ift.tt/2UtVpty

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