This professional resource outlines the key concepts about this topic and provides tips for relating the concepts to young students. The resource addresses both plants and animals, as well as similarities in appearance and behavior.
In this lesson, students will learn how the components of a cell operate as a system. Students will discuss the meaning of the word "system" and then apply the definition to their observations of a paramecium, noting that the single-celled organism is only alive because all the components work together. They will also examine prepared slides of human body cells and compare to the paramecium.