Introduction to Tissue
The term tissue was coined by Bichat. The study of tissue with the help of a microscope is called Histology. Level of organization in the living system; Cell –> Tissue –> Organ –> Organ System –> Multicellular organism. Based on levels of organization the living system can be divided into;
- Unicellular: Kingdom monera and kingdom Protista
- Multicellular: Kingdom fungi, kingdom Plantae, and kingdom Animalia
Tissues can be divided into two types; Plant tissues and Animal Tissues
Tissues Class 9 Notes CBSE Science Chapter 6
Tissues are a group of specialized cells that possesses similar structure, have a similar origin, and are responsible for performing similar type of functions. In unicellular organisms, the cell is responsible for performing all the vital functions whereas in multicellular organisms different groups of cells are assigned different functions based on the information present in the DNA. These specialized groups of cells are called tissues.
In Chapter 6 Tissue, you will learn the following content:
Table of Content
- Introduction to Tissue
- Difference between Plant and Animal Tissue
- Plant Tissue
- Animal Tissue