Convergent and parallel evolution in life habit of the scallops (Bivalvia: Pectinidae)
2011
Evolution of Scallop Life Habits
Sample size: 81
publication
Evidence: high
Author Information
Author(s): Alejandrino Alvin, Puslednik Louise, Serb Jeanne M
Primary Institution: Iowa State University
Hypothesis
How repetitive is the evolution of life mode in the scallops?
Conclusion
The study shows that both convergence and parallelism have led to repeated life habit states in scallops.
Supporting Evidence
- Byssal attachment is the most common life habit in scallops.
- Five of the six life habits have evolved multiple times.
- The majority of life habit transitions were due to parallel evolution.
Takeaway
Scallops have evolved similar ways of living multiple times, showing that some life habits are more common than others.
Methodology
Phylogenetic analysis of 81 scallop species to identify life habit evolution.
Potential Biases
Potential bias in observed life habit transitions due to physiological constraints.
Limitations
Incomplete taxonomic sampling may have missed some life habit transitions.
Participant Demographics
Scallop species from the family Pectinidae.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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