How Many Cells Can Organisms Have? | Single & Multicellular Organisms Grade 5 | Children's Biology Books

Organisms are classified into two main groups - single-celled or multicellular. In this book, you will learn the difference of these two groups of organisms. You will also go over examples of single-celled and multicellular organisms. Complex organisms are composed of different cells that perform different functions. What are these functions? What are examples of complex organisms? Learn more by reading.