In this article we will discuss about Rotifers:- 1. Shape and Size of Rotifers 2. Structure of Rotifers 3. Body Wall 4. Body Cavity 5. Digestive System 6. Respiratory System 7. Excretory System 8. Nervous System 9. Reproductive System 10. Development 11. Affinities. Shape and Size of Rotifers: Rotifers are commonly called as "Wheel animalcules". The name has derived from [...]
The following points highlight the six important constituents of the living body. The constituents are: 1. Matter 2. Elements 3. Atoms, Molecules and Energy 4. Chemical Reactions 5. Enzymes 6. Mixtures and Compounds. Constituent # 1. Matter: It is defined as something which occupies space and has some weight. Matter may be formed of one kind of substance or of [...]
The following points highlight the three main components of animal cell. The components are: 1. Plasmalemma 2. Cytoplasm 3. Nucleus. Animal Cell: Component # 1. Plasmalemma: This is the outermost limiting membrane of the cell. The concept of plasmalemma developed long before it was actually seen. The structure of plasmalemma was revealed only after the use of electron microscope. It [...]