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What is cell specialisation?
Cells becoming adapted to carry out a particular function.
Examples of specialised animal cells
Sperm cell, nerve cell, muscle cell.
Examples of specialised plant cells
Root hair cell, xylem cell, phloem cell.
Importance of specialisation
Allows cells to perform specific functions within tissues, organs, and organ systems.
What is cell differentiation?
The process by which cells become specialised.
When do animal cells usually differentiate?
At an early stage of development.
When do plant cells differentiate?
Throughout their life.
Why is cell differentiation important?
So cells can develop sub-cellular structures needed for specific functions.
In mature animals, what is cell division used for?
Mainly repair and replacement of cells.