Why eukaryotes, not bacteria, evolved complex multicellularity

Prokaryotic single-celled organisms, the ancestors of modern-day bacteria and archaea, are the most ancient form of life on our planet, first appearing roughly 3.5 billion years ago. The first eukaryotic cells appeared around ...

New insights into the dynamics of microbial communities

Researchers at the Max Planck Institute for Evolutionary Biology in Plön, within the Department of Theoretical Biology, characterized a recently discovered dynamical regime of microbial communities and used it to explain ...

The role of history in how efficient color names evolve

Suppose two speakers of the same language are playing a guessing game where each has the same color swatches, and Player 1 tries to get Player 2 to guess a hue by naming the color. If the second player consistently guesses ...

DNA reveals that unique microorganisms evolved at poles

Communities of microorganisms at the bottom of polar lakes evolved independently from other regions, influenced by the particular geological, biological, and climate history of their regions. The unique character of the microbial ...

One in five Colorado bumblebees are endangered, new report says

On a cliffside at Mesa Verde National Park in southern Colorado, a fuzzy bee was industriously gnawing at the red sandstone. Making a loud grinding sound, the insect used its powerful jaws to drill tunnels and holes in rocks, ...

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Evolutionary biology

Evolutionary biology is a sub-field of biology concerned with the origin of species from a common descent and descent of species, as well as their change, multiplication and diversity over time. Someone who studies evolutionary biology is known as an evolutionary biologist.

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