particles. Oxygen diffuses into the cell from the surrounding water, and metabolic wastes diffuse from the amoeba into the surrounding water. A contractile vacuole, which removes excess water from the amoeba, is absent in most marine and parasitic species. Reproduction is asexual (binary fission)....
Lamtostyla guin. sp.in vivo(a) and after protargol staining (b–e). (a)Ventral view of a typical individual, arrow indicates the contractile vacuole. (b,c)Ventral (b) and dorsal (c) views of the holotype, showing the infraciliature and nuclear apparatus; the elliptical shadow and the...