Here's why:

* Tree branch: Nervous tissue, particularly neurons, have long, branching extensions called axons and dendrites that resemble the branches of a tree.

* Spotty cells: The cell bodies of neurons, known as soma or perikarya, are often round or oval-shaped and contain a large nucleus, which gives them a "spotty" appearance when viewed under a microscope.

However, it's important to note that this is a very general description. To accurately identify a tissue, you would need more detailed information, such as:

* The type of staining used: Different stains highlight different components of cells.

* The magnification of the image: The overall structure of the tissue can be difficult to discern at low magnifications.

* The context of the tissue: Knowing the location of the tissue in the body can help narrow down possibilities.

If you have a specific image or more information about the tissue, I might be able to help you identify it more precisely.