Curated OER
Invertebrate Chordates
Most chordates are easy to identify because of the specific classification criteria of their phylum. But what about tunicates? Young scientists read a short explanation about why tunicates, or sea squirts, are considered to be members of...
Curated OER
Mollusks and Segmented Worms
In this mollusks and segmented worms worksheet, students read information about these two groups of organisms and compare and contrast their general characteristics. This worksheet has 2 short answer questions.
Curated OER
How Do You Know Your Fish are Sick?
In this online quiz worksheet, students answer a set of multiple choice trivia questions about how you know fish are sick. Page has a link to answers.