permalink definition. a link to a specific article in the archives of a blog, which will remain valid after the article is no longer listed on the blog's front page (i.e after i # Home â¢ Dictionary
Unicellular organisms are composed of a single cell. Multicellular organisms are composed of many specialized cells. Specialized cells differ in structure (size, shape...) and function (the role they perform in the organism).
Making the world better, one answer at a time. For one thing, multicellular organisms can live longer, allowing them to achieve more complexity. Multicellular organisms can also have specialized systems and cells within them (eg red blood cell, white blood cell, brain, etc) that single-celled organisms cannot have.aking the world better, one answer at a time. For one thing, multicellular organisms can live longer, allowing them to achieve more complexity. Multicellular organisms can also have specialized systems and cells within them (eg red blood cell, white blood cell, brain, etc) that single-celled organisms cannot have.