This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

All animal evolution for the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ago, another burst of diversification ...

Although almost certainly still encased in fleshy lobes, appendages could have helped support or even propel the animal in shallow water or mud flats. If so, it changes our view of the evolution ...

Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence ...

This video from Wired shows every type of eye in the animal kingdom. All kinds of eye facts are covered. For example, the ...

A circulatory system that beats gravity. Spots that dissipate heat. This giant is purpose-built for its size and surroundings. This story appears in the October 2019 issue of National Geographic ...

Keywords adaptation, animals, natural selection, survival, evolution, bacteria, eggs, placenta, camouflage, reproductive strategies Email us at [email protected] if you have questions about the ...

This new model challenges traditional views that focus solely on large-scale geological changes as the primary drivers of early animal evolution. Local-scale challenges faced by individual ...

Research in our group investigates a number of questions central to understanding animal evolution and development: What determines the lifelong regenerative capacity of some animal lineages ? How the ...

If you want to see concrete evidence of evolution, look no further than your ... of their limbs is a motif that runs through all the animals with four limbs, called tetrapods.

Animal Behaviour 27, 211-225 (1979). de Waal F.B.M. Food sharing and reciprocal obligations among chimpanzees. Journal of Human Evolution 18, 433–459 (1989). Hauser, M. 1997. The Evolution of ...