Question

Multicellular organism skeletal system define

Answer 1

Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms. ... Multicellular organisms arise in various ways, for example by cell division or by aggregation of many single cells.

Explanation:

Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.