Biology Junction
Cnidarians and Ctenophorans
Cnidaria is a broad phylum of 11,000 different species from jellyfish to coral. Most Cnidarians are marine species with a few freshwater examples. A lesson presentation explains the important characteristics of different species of both...
Curated OER
Sponges and Cnidarian Crossword Puzzle
In this marine science worksheet, students complete a crossword puzzle with 32 questions on sponges and cnidarian. They identify the different characteristics of sponges and cnidarian.
Curated OER
Coral Bleaching
Students examine the relationship between corals and zooxanthellae, identify stresses to corals, and explain coral bleaching. In this sea life instructional activity students predict the effects of increased temperatures on coral reefs.
Curated OER
Invertebrates
In this invertebrates worksheet, high schoolers read about the characteristics of the different groups of invertebrates. Then students complete 10 multiple choice questions.