Begin the lesson by introducing students to the fascinating world of sponges, highlighting their status as some of the oldest and simplest multicellular animals.

Engage students with a brief discussion on the unique characteristics of sponges, such as their asymmetrical body structure and lack of traditional organs.

Explain the basic biology of sponges, focusing on their specialized cells and cooperative functioning.

Introduce the different species of sponges, such as tube sponges and barrel sponges, and discuss their habitats.

Watch the video 'All About Sponges' to visually explore how sponges filter water and reproduce. This video enhances understanding by depicting these processes and explaining their unique characteristics.

Discuss the role of sponges as filter feeders and how their sessile lifestyle aids in their survival.

Conduct a classification activity where students identify and describe different species of sponges and their habitats.

Use models or images to demonstrate the asymmetrical body plan of sponges and their specialized cells.

Assign students to research and present on a specific species of sponge, focusing on its habitat and role in the ecosystem.

Have students create diagrams illustrating the process of sponge reproduction, both asexual and sexual.

Engage students in a Q&A session to assess their understanding of sponge biology and their ecological roles.

Use formative assessments such as quizzes or exit tickets to gauge comprehension of key concepts.

Facilitate a class discussion reflecting on the unique characteristics of sponges and their importance in marine ecosystems.

Encourage students to share their thoughts on how sponges differ from other animal groups they have studied.

Utilize the 'Sponges and Cnidarians – Comprehension' assessment to evaluate students' understanding of sponge characteristics and classification.

Encourage students to explore further by researching other simple marine organisms and comparing them to sponges.