Since they do not contain any membrane-bound organelle, these are always unicellular organisms, such as Bacteria, Blue-Green Algae, Amoeba, etc. Mentioned below is a distinction between the 2 major types of cells in our fundamental unit of life class 9 notes: Prokaryotic CellsĬells in which a true nucleus is absent are called Prokaryotic Cells. Regardless of the complexity as well as the type of organism, cells are mainly divided into two categories. Here are some examples of tissues and organs in plants and animals: CategoryĪlso Read: Class 9 Probability Types of Cells in unicellular and multicellular organisms. These carry out essential life processes like metabolism, growth, reproduction, etc. Each tissue serves a particular purpose and can be combined with other tissues to form organs.

Credits: Pinterest Cells as a Structural and Functional Unit of LifeĬells form the basic structure of an organism and a collection of similar cells that perform an organized function from a Tissue.

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