The single-celled animals : protozoa

Year Published: 1962

Description: Shows examples of each class of the phylum Protozoa through microcinematography and illustrates the theory of protozoan evolution from unicellular plants. Views the uses of the various structures in moving and in gathering food. Pictures the reaction of protozoa to temperature, acid, light, and obstructions. Explains the digestive process and asexual and sexual reproduction in protozoa. | Demonstrates theory of protozoan evolution from ancient single-celled plants. Digestion, sensitivity, movement, food gathering, and reproduction revealed through photomicrography.