News tagged with morphology

Mutation speeds up sperm of zebra finches

In zebra finches, sperm velocity and morphology and hence reproductive success strongly depend on a specific mutation (an inversion) on one of the sex chromosomes, called Z. This was discovered by scientists of the Max Planck ...

dateJul 17, 2017 in Plants & Animals
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Rapid rise of the Mesozoic sea dragons

In the Mesozoic, the time of the dinosaurs, from 252 to 66 million years ago, marine reptiles such as ichthyosaurs and plesiosaurs were top predators in the oceans. But their origins and early rise to dominance have been ...

dateMay 20, 2016 in Archaeology & Fossils
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