World's simplest animals get their place in the tree of life

The group with the world's simplest animals—tiny blob-like life forms with no organs and just a few cell types—finally has a fleshed-out family tree built by a research group led by the American Museum of Natural History, ...

Tentacles from giant sea anemones reveal new genetic insights

Despite the long, dangerous journey depicted in Pixar's "Finding Nemo," clownfish (and other species of anemonefish) are, in real life, deeply attached to their underwater homes. As young larvae, anemonefish choose a giant ...

Old genes keep sea anemones forever young

The genetic fingerprint of the sea anemone Nematostella vectensis shows that the members of this evolutionarily very old animal phylum use the same gene cascades for the differentiation of neuronal cell types as more complex ...

560-million-year-old fossil is earliest known animal predator

Geologists have found the fossil of the earliest known animal predator. The 560-million-year-old specimen is the first of its kind, but it is related to the group that includes corals, jellyfish and anemones living on the ...

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