are a group of cells that work together to perform a specific function.

Answer 1

A group of cells that work together to perform a specific function is known as tissue. Tissues are classified into four main types in animals: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. In plants, tissues include dermal, vascular, and ground tissue. Each type of tissue has a specialized role that contributes to the overall functioning of an organ or system.