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.
What is a tissue?
Define the term ‘tissue’.
How many types of elements together make xylem tissue? Name them.
How are simple tissues different from complex tissues?
