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At the lowest biological level, groups of cells that have a similar structure and function work together as

Respuesta :

Answer:

Tissues

Explanation:

Similar cells come together to form a tissue. A tissues is a collection of cells of similar type that are specialised to perform the same function. They include epithelial tissue, connective tissue, blood tissue. These specialised tissues can work together forming organs of the body. The organs work together to form organ systems.