Define the term ‘tissue’.
Tissue is the group of cells similar in structure that work together to achieve a particular function. For example - blood, bone , xylem and phloem etc
What is a tissue?
A group of cells that are similar in structure and/or work together to achieve a particular function forms a tissue. For example phloem, blood etc.
How are simple tissues different from complex tissues?
Simple tissues are made of one type of cells which coordinate to perform a common function. For example parenchyma, epidermis etc
Complex tissues are made of more than one type of cells. All these coordinate to perform a common function. For example Vascular tissues.
What is the utility of tissues in multi-cellular organisms?
Multi-cellular organisms show division of labour because a particular function is carried out by a cluster of cells (tissue) at a definite place in the body. The tissue is arranged and designed so as to give the highest possible efficiency of function.