The way that Earth's first animals reproduced held back life's diversity for millions of years, until stress and competition ...

The spadenose shark (Scoliodon laticaudus) is one of the smallest members of the requiem shark family and found in shallow tropical and subtropical waters of the Indian and western Pacific Oceans. The ...

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

SMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution) Further analysis of PifA and PifB revealed that they exhibit many of the characteristics of eukaryotic host-associated ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

A review article now published in Nature Reviews Genetics brings together evolutionary theory, comparative genomics and large ...

A Perspective published in PNAS Nexus summarizes the risks of bypassing natural selection when using assisted reproductive technologies (ART) in humans and livestock. The authors call for dialogue ...

University of Florida researchers documented a surprising new threat to Burmese python eggs in the Everglades, adding to ...

Activity 1 – Tap and find Activity 2 – Flowering plant quiz Activity 3 – Steps of flowering reproduction Activity 4 – Label the sexual organs Unlike animals, plants don’t need a male and a female to ...