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
For 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
Sponges, Cnidarians, Flatworms, and Roundworms
In this simple animals activity, students read information about sponges, cnidarians, flatworms, and roundworms and then complete a chart comparing and contrasting these groups of animals. This activity has 11 fill in the blank questions.
Curated OER
Invertebrates
In this invertebrates worksheet, students read about the characteristics of the different groups of invertebrates. Then students complete 10 multiple choice questions.