Begin by introducing the concept of cell organization in multicellular organisms. Highlight how different types of cells work together to perform specific functions.

Use a visual aid to show examples of tissues, organs, and organ systems in animals, emphasizing their roles in sustaining life processes.

Explain how similar cells form tissues and how tissues form organs, using the heart as an example of an organ made up of different tissues.

Discuss how organs work together in organ systems to carry out specific functions, such as the circulatory system consisting of the heart and blood vessels.

Watch the video 'Characteristics of Organisms' to understand the fundamental characteristics of life processes in various organisms.

Engage students in a discussion about the examples of tissues, organs, and organ systems in animals, encouraging them to identify these in their own bodies.

Conduct an activity where students classify different types of cells and tissues using prepared slides and microscopes.

Use the 'A Closer Look at Cells' assessment to explore the differences between plant and animal cells, enhancing understanding of cell structure.

Assign students to create a diagram illustrating how cells, tissues, organs, and organ systems are organized in a specific animal.

Use the 'Cells – Comprehension' worksheet to assess students' understanding of cell organization and energy processes.

Facilitate a class discussion to review the key concepts learned about cell organization and the interdependence of organ systems.

Encourage students to reflect on how the organization of cells contributes to the overall functioning of an organism.

Administer the 'Cell Organization' assessment to evaluate students' grasp of the hierarchy from cells to organisms.

For further exploration, encourage students to research and present on a specific organ system in an animal of their choice.