Agroup of cells that work together to perform a similar function are
a. cell
b. organelle
c. molecule
d. organ

Animal cells and plant cells can form tissues, such as muscle tissue in animals. A living tissue is made from a group of cells with a similarstructure and function, which all work together to do a particular job. Here are some examples of tissues: muscle. the lining of the intestine. the lining of the lungs.

1.fossils 2.analogous organs 3.homologous organs