Students explore biology by researching living cells. In this living organism lesson, students participate in a role-playing activity in which all the students in class form one plant cell by portraying specific parts of a cell. Students...

Everything evolved from a common ancestor, but how did modern plants and animals develop so many more genes? Scholars use an online interactive to learn about the process. They begin to understand common genes with an animation, multiple...

Seventh graders study the parts of a light microscope, and its proper use. They identify each part and explain why it is important to know how to use this tool. They practice observing newsprint on a wet mount slide.