Many parasites and hosts are embroiled in an on-going arms race that affects the evolution of each participant. One such battle is between parasitic nematodes and terrestrial gastropods which have ...
The Shell is a calcareous concave cone coil clockwise in three or four whorls. The shell is covered by a thin coating called the cuticle or periostracum which gives it color. The shell is secreted by ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results