The shells of " Physa " species have a long and large operculum.
2.
Native freshwater snails such as " Physa cubensis " have been adversely affected by introduced species.
3.
Freshwater snails ( " Physa virgata " ), provide an example of when phenotypic plasticity can be either adaptive or maladaptive.
4.
The Snake River physa is believed to have evolved during the Pleistocene-Holocene in the lakes and rivers of northern Utah and southeastern Idaho.
5.
Freshwater snails include " Physa acuta " found at the Point Hut Crossing, and " Glyptophysa gibbosa " found on the Cotter River.
6.
""'Partulina physa " "'is a species of tropical air-breathing land snail, a endemic to Hawaii in the United States.
7.
""'Physa aridi " "'is a fossil species of air-breathing freshwater snail, an extinctaquatic pulmonate gastropod mollusk in the family Physidae.
8.
A typical example involved rearing Physa gyrina, or Physa heterostropha in controlled pair groups in either water in which crayfish co-existed or water in which only fish co-existed.
9.
A typical example involved rearing Physa gyrina, or Physa heterostropha in controlled pair groups in either water in which crayfish co-existed or water in which only fish co-existed.
10.
""'Physa mezzalirai " "'is a fossil species of extinct air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae.
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