There are different types of cells for every job in the body. which statement refers to these cells that develop differently?
1.they are unorganized.
2.they are unidirectional.
3. they are usually damaged.
4. they are specialized.

The correct option is 4. They are specialized.

Explanation:

All cells in our body originate from the stem cells. The stem cells keep dividing and become specialized. Each specialized cell in the body performs a specific function for which it is made. Also, the shape of some cells is changed so that they have a shape which allow them to perform their functions. For example, the cells in our muscles are termed as myocytes. There are three different kinds of myocytes, each with different shapes which allows them to function properly.

true, generally referred to as invasive species given that they have no natural predators in new environment