Results tagged “evolution”

Organisms have increased in complexity through a series of major evolutionary transitions, in which formerly autonomous entities become parts of a novel higher-level entity.

How did Multicellularity Evolve?

The evolutionary path from unicellular life to multicellularity is varied, but all lead to complex organisms

Evolution can Select for Evolvability

Evolution does not operate with a goal in mind; it does not have foresight. But organisms that have a greater capacity to evolve may fare better in rapidly changing environments. This raises the question: does evolution favor characteristics that increase a species' ability to evolve?

Untangling The Tree of Life on Earth

Two recent high-profile phylogenetic studies reached conflicting conclusions about whether snail's closest relatives are bivalves or an enigmatic group called tusk shells. Vanderbilt phylogeneticists suggest that the cause of this conflict is that the three groups diverged rapidly a long time ago. Credit: Antonis Rokas, Vanderbilt University

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