Complex Permanent Tissues
Complex tissues are made up of more than one type of cells. These cells differ from one another in their form and structure; however, these cells work together as a unit. Hence, a complex tissue can be defined as a collection of structurally dissimilar cells performing a common function or set of functions.
Types of Complex Permanent Tissues:
Two types of complex tissues are found in the plants
- It transports water and nutrients from the roots to the leaves of the plant.
- It provides support to the plants.
- It is divided into tracheids, vessels, xylem fiber, and xylem parenchyma.
- It translocates the prepared organic food from the leaves to different parts of the plant.
- It is also known as bast.
- It is composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibres.