In this online quiz instructional activity, learners answer a set of questions about freshwater fish in the UK. Page has a link to submit answers for correction.

In this online quiz instructional activity, students answer a set of questions about freshwater fish. Answers may be submitted for review by clicking a link at the bottom of the page.

Mia's friends are fish-sitting while she is away on vacation. Zoe divulges to Sam that different animals need different habitats, and that there are both freshwater and saltwater ecosystems. Examples of the kinds of organisms found in...

In this online quiz worksheet, students answer a set of questions about freshwater aquarium fish. Page has a link to submit answers for correction.

In this online quiz worksheet, students answer a set of multiple choice questions about freshwater aquarium fish. Page includes links to answers and resources.

In this online quiz worksheet, students answer a set of questions about freshwater aquarium fish. Answers may be submitted for review by clicking a link at the bottom of the page.

For this online quiz worksheet, students answer a set of multiple choice questions North American Fish. Page includes links to answers and resources.

Flip this interactive OLogy card to find questions and answers, fast facts, and other bite-size pieces of information to help you understand important characteristics of the South American pacu, a freshwater fish.

Compare the freshwater stickleback with its saltwater relative and trace the evolutionary changes of the fish. Includes a lecture by Dr. David Kingley, as well as an animation showing the evolution of the stickleback in an Alaskan lake.