Question

Social theory of locomotion in amoeba was the first proposed by

Answer 1

Surface Tension Theory: This theory was first of all advocated by Berthold (1886) and later supported by Butschli (1894) and Rhumbler (1898). According to this theory, protoplasm is a fluid, there must exist at the surface of the protoplasmic mass a tension (surface tension) acting to make the mass spherical.