Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life ...
The Universitat Autònoma de Barcelona (UAB) forms part of an international consortium that is preparing the Tree of Sex project, an ambitious initiative aimed at decoding the evolutionary complexity ...
Ohno, S. The development of sexual reproduction. -- Sharman, G.B. Evolution of viviparity in mammals. -- Jewell, P.A. Selection for reproductive success. -- Short, R ...
Add Yahoo as a preferred source to see more of our stories on Google. Unfurling fiddlehead of the Christmas fern (_Polystichum acrostichoides_). Jacob S. Suissa, CC BY-ND Imagine a photograph of your ...
Aurora Ruiz-Herrera (upper row, second from the right) with members of the research team led by the IBB-UAB. The Universitat Autònoma de Barcelona (UAB) forms part of an international consortium that ...
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 ...
CALGARY, Alberta (Reuters) - Canadian researchers say they've narrowed down the likely owner of a dinosaur nest, abandoned on a river's edge 77 million years ago, adding the discovery offers a unique ...
v. 1. Germ cells and fertilization.--v. 2. Embryonic and fetal development.--v. 3. Hormones in reproduction.--v. 4. Reproductive patterns.--v. 5. Artificial control ...
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Ferns’ ability to evolve ‘backward’ offers insights into the meandering path of evolution
Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...
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