In this article we will discuss about the structure and life history of elphidium, explained with the help of suitable diagrams. Structure of Elphidium: 1. The shape of the animal is more or less round. 2. It is surrounded with a many-chambered, mullilocular and perforate calcareous shell consisting of 45 to 50 chambers. 3. The, chambers are boat-shaped and spirally [...]
In this article we will discuss about:- 1. Genus of Euglena 2. Structure of Euglena 3. Locomotion 4. Nutrition 5. Reproduction. Genus of Euglena: The Euglena is an acellular, fresh water organism placed in the order Euglenida, class Phytomastigophora, subphylum Mastigophora, phylum Sarcomastigophora, subkingdom Protozoa. The genus Euglena comprises probably about fifty species and they vary considerably in shape, size [...]
In this article we will discuss about the four main types of locomotion in protozoa. The types are: 1. Pseudopodial Movement 2. Flagellate Movement 3. Ciliary Movement 4. Peristaltic Movement. Type # 1. Pseudopodial Movement: Some protozoon's move with the help of pseudopodia. Pseudopodia are blunt, fingerlike temporary protrusions of the cytoplasm. These may be variously shaped. Large numbers of [...]