Historians and ecologists are tracing how European settlers brought certain familiar animals overseas to recreate aspects of life they left behind. These introductions, often made without ...
For more than a century, biologists have wondered what the earliest animals were like when they first arose in the ancient oceans over half a billion years ago. Searching among today's most ...
Surprisingly, genome comparisons have failed to resolve a major question in animal evolution: Which living animals are the descendants of the earliest animals to evolve in the world's oceans?
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