Final answer:
Connective tissue is the most prominent type of tissue in the extracellular matrix, providing support and structure to other tissues.
Step-by-step explanation:
The type of tissue most prominent in the extracellular matrix (ECM) is connective tissue. This tissue type specializes in binding, supporting, protecting, and integrating the various parts of the body. Connective tissues like tendons, cartilage, and bone are rich in ECM, which provides structural and biochemical support to the surrounding cells. Unlike epithelial tissue, muscle tissue, or nervous tissue, connective tissue is characterized by fewer cells and a large amount of ECM.