Biology · Evolutionary Biology
During long-term growth in static liquid culture, Pseudomonas fluorescens diversifies into distinct colony types: wrinkly spreaders forming biofilms at the oxygen-rich surface, smooth morphs growing in the oxygen-poor bottom layer, and fuzzy morphs colonizing the intermediate zone. Which evolutionary process best explains this ecological diversification?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Genetic drift resulting in differential microhabitat use
- 2Adaptive radiation into different microhabitats✓
- 3Coevolution between distinct strains in microhabitats
- 4Convergent evolution among unrelated bacterial species
Correct answer
Adaptive radiation into different microhabitats
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