In this online quiz worksheet, students answer a set of trivia questions about the Great White Shark. Page has a link to submit answers for review.

Students discuss the relationships between dissolved oxygen in a stream, stream temperature, organic waste loads, and stream conditions by studying and using a model of dissolved oxygen in the stream.

Learners investigate the global food chain by creating a visual chart.  In this ecology lesson, students discover the elements needed for life to sustain itself, contrasting living things vs. non living things.  Learners fill...

Learners investigate what dissolved oxygen is and why it is important to aquatic life and what factors influence levels of dissolved oxygen in a lake. They study how to use MS Excel to make charts to show trends and correlations.

Students examine how frogs change. In this life cycle lesson, students create a model to show how a frog changes throughout its life. Students will show the process of frog metamorphosis, from polliwog to adult frog.

[Free Registration/Login may be required to access all resource tools.] What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But not all...

[Free Registration/Login may be required to access all resource tools.] Describes the characteristics of fish suited for aquatic lifestyles.

Something fishy site invites users to discover more about fish and fish types by learning how fish use their gills to breathe as well as where they fit in the food chain.

This site identifies different characteristics and information related to Bony Fish. Find out some fun facts about these friendly fish when you explore this site.

Dive into the biology of most fish to understand why they can only breathe while in the water. Does every fish meet its death when they are out of water?

The Canadian Museum of Nature looks at lobe-finned fishes who possessed lungs and gills and was able to use its gills as a form of feet.

Kids learn what makes up a fish. What are gills and how do they breathe in the water?

This resource provides colorful pictures of sea animals interact with audio and the written vocabulary word as you move your mouse over the picture. This vocabulary would compliment a science unit on marine life.

Did you know that the #1 pollutant in North Carolina is dirt? When soil is washed into streams and river, it smothers small animals and fish by clogging their gills. Look for bare patches of ground around your home and around your school...

Resource provides a brief overview of echinoderms. Includes pictures and links for more information.