Curated OER
Sponges, Cnidarians, Flatworms, and Roundworms
In this simple animals instructional activity, students review the characteristics of sponges, cnidarians, flatworms, and roundworms. This instructional activity has 12 matching questions.
Curated OER
Hydra Anatomy
In this hydra anatomy worksheet, students label the given diagram. Students indicate the appropriate parts of the hydra using the provided word bank.
Curated OER
Diversity of Life
Students explore the diversity of life forms and the role that interdependency plays in our world through a mult-segmented unit. This segment introduces the unit.
CK-12 Foundation
Ck 12: Biology: Cnidarians
[Free Registration/Login may be required to access all resource tools.] Discusses characteristics of cnidarians like jellyfish and corals.