When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable ...
New Scientist on MSN
Surprise fossil discoveries push back the evolution of complex animals
A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...
11d
Land animals evolved from ocean ancestors – new study unravels the genetics behind the transition
The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...
Evolution is a continuous, powerful force shaping the natural world around us. As environmental pressures intensify, future animal evolution is likely to produce fascinating and sometimes bizarre new ...
The fossils of ancient salamander-like creatures in Scotland are among the most well-preserved examples of early stem tetrapods -- some of the first animals to make the transition from water to land.
Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...
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