Learners investigate and study the different systems of a plant. In this biology lesson, students define, transpiration, roots, xylem and other important parts of a plant cell. They discuss the process a plant goes through taking up...

Middle schoolers read and complete a worksheet about the levels of organization of living things from cells to organ systems. They use a text book and the "Cells R Us" worksheet included to create a metaphor for each of the levels. ...

Students describe examples of the relationship between structure and function in living systems, particularly with regard to specialized tissues and organs. They describe examples of biological diversity and adaptation of organisms with...

Extensive site for teachers provides some helpful resources that pertain to plant and animal cells. Includes a microscope diagram as well as plant, animal and pond labs. Also contains links to structures and mechanisms, matter and...

Facts about four basic types of tissues in the human body and their functions.