This investigation looked to see whether the height on the shore would affect the size or aperture size of Gibula Umbilicalis. Gibula Umbilicalis are a species of topshell which live on the rocky shore, they can be found in the
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'Investigating the Affect of the Height on the Rocky Shore on the Ratio Length to Aperture of Gibula Umbilicalis Topshells' Title of Investigation: THE AFFECT OF THE HEIGHT ON THE ROCKY SHORE ON THE RATIO LENGTH TO APERTURE OF GIBULA UMBILICALIS TOPSHELLS This investigation looked to see whether the height on the shore would affect the size or aperture size of Gibula Umbilicalis. Gibula Umbilicalis are a species of topshell which live on the rocky shore, they can be found in the upper, middle or lower shore and surely must have adapted to live in the upper and middle shore where living conditions are harsher, due to there being less time when the shore is covered by water. As marine creatures they require water to respire, so how do they cope during the time they are out in the air? A preliminary experiment was carried out to choose which heights on the...


