Principal component plots expressing correlations between cell morphology and growth variables in presence of nutrients for the ten strains studied

<p><b>Copyright information:</b></p><p>Taken from "Evolution of dispersal and life history strategies – ciliates"</p><p>http://www.biomedcentral.com/1471-2148/7/133</p><p>BMC Evolutionary Biology 2007;7():133-133.</p><p>Published online 6 Aug 2007</p><p>PMCID:PMC1997130.</p><p></p> See text for details. PC1expressed the opposition between strains with big round small elongated cells at carrying capacity. PC2illustrated the strategy of growth, while PC3represented overall growth performance

Principal component plot representing correlations between cell morphology and survival variables under starvation for the ten strains

<p><b>Copyright information:</b></p><p>Taken from "Evolution of dispersal and life history strategies – ciliates"</p><p>http://www.biomedcentral.com/1471-2148/7/133</p><p>BMC Evolutionary Biology 2007;7():133-133.</p><p>Published online 6 Aug 2007</p><p>PMCID:PMC1997130.</p><p></p> PC1is linked to overall survival and elongation capabilities. PC2represented the cell elongation strategy, opposing strains where all cells elongates similarly for a long time to strains where some cells elongate more than others, up to becoming dispersal morphs

Summary principal component plot representing the correlations between the seven variables summarizing the four experiments

<p><b>Copyright information:</b></p><p>Taken from "Evolution of dispersal and life history strategies – ciliates"</p><p>http://www.biomedcentral.com/1471-2148/7/133</p><p>BMC Evolutionary Biology 2007;7():133-133.</p><p>Published online 6 Aug 2007</p><p>PMCID:PMC1997130.</p><p></p> Graph displays means of five random associations to illustrate within strain variation; see text for detail

A) Typical digital picture of cells used to extract quantitative variables

<p><b>Copyright information:</b></p><p>Taken from "Evolution of dispersal and life history strategies – ciliates"</p><p>http://www.biomedcentral.com/1471-2148/7/133</p><p>BMC Evolutionary Biology 2007;7():133-133.</p><p>Published online 6 Aug 2007</p><p>PMCID:PMC1997130.</p><p></p> B) Cells (D2 strain) in normal growth condition (with nutrients) showing large size and a largely rounded shape. C) Cells (20 strain) eight hours after nutrient removal, showing reduced size and (middle cell) the typical elongated shape of the fast-swimming dispersal morph described by Nelsen and Debault [69]

Correlation of dispersal rate and cell elongation in the dispersal experiment in presence of nutrients for the ten strains studied

<p><b>Copyright information:</b></p><p>Taken from "Evolution of dispersal and life history strategies – ciliates"</p><p>http://www.biomedcentral.com/1471-2148/7/133</p><p>BMC Evolutionary Biology 2007;7():133-133.</p><p>Published online 6 Aug 2007</p><p>PMCID:PMC1997130.</p><p></p