The photic zone is the upper layer of the ocean where sunlight can penetrate and support photosynthesis. This article explains the characteristics of this zone, the food chain that exists there, the adaptations of the plants and animals,...

Learn about the flora and fauna of the intertidal aquatic zone and the characteristics that describe this aquatic biome through reading and watching video clips. [6:42]

Have you ever been to a tide pool during low tide? Some intertidal animals in the low tide zone are left in a tiny pool of water when the tides go out. Other intertidal animals that live in high tide zones may be left to dry out during...

This field guide to the marine organisms of the intertidal zone of Casco Bay was created by 7th grade students in Portland, Maine, as part of a Learning Expedition called, "In the Zone." Students were engaged in scientific research at...

Find a scale model of the five principal ocean zones, along with additional information.

Learn about the life forms that dwell deep in the ocean which is divided into four zones. These zones have similar life forms around the world.

An introduction to key concepts about the ocean, its ecosystems, and zones. With interactive flash cards that open in new windows to help you learn more.

Although the deep ocean zone seems like an inhospitable and remote corner of the planet, it is actually one of the greatest habitats on Earth. Lidia Lins explores how so many species thrive in this mysterious underwater world. [5:02]

Increased amounts of nitrogen and phosphorous are leading to "dead" areas on our coastlines. Delve into the details and how to get involved with stopping this from happening.

Students learn about James Cameron's Challenger Deep dive and about the marine animals that live in different layers of the ocean. They then study the characteristics of the hadalpelagic zone at the bottom of the ocean, and imagine and...

Learn about the different zones of the open ocean, the pelagic biome, and what organisms call each zone home.

The Abyssal Zone lies deep in the ocean in the pelagic layer between 4,000 to 6,000 m or 13,000 to 19,500 ft. Learn about some of the unique life forms that call this zone their home, how they have adapted to the extreme pressure and...

Learn the characteristics of these two oceanic zones and of the plants and animals that live in them.

Investigate the fascinating world of the shallow seas and discover what lives and grows there through pictures, news, and external links.

Review the concepts of ocean zones in this study guide.

Learn where this ocean zone is located, average temperature and the unique traits of the animals that reside there.

[Free Registration/Login Required] Get an inside look of a subduction zone with the animation on this page. Page includes a interactive animation and a short quiz.

Dead zones are popping up along coastlines all over the world. Find out what they are and the causes of this destructive phenomenon.

Describes the characteristics of the marine biome, the plants and animals that live in each of the four ocean zones, coral reefs and estuaries, the climate of the marine biome, and the marine food web.

This resource offers a brief definition of the bathyal zone.

Take a tour of the Sydney Aquarium and learn about the diverse aquatic environments.

Great resource for finding background and current information about the Solomon Islands in the Pacific Ocean. Content includes geography, environment, architecture, religion, food, history, economy, arts, sports, and news. Be sure to...

[Free Registration/Login may be required to access all resource tools.] Discusses what a tectonic plate is and how scientists can recognize its edges, how the plates move by convection in the mantle, the three types of plate boundaries...

A course lecture on how the Earth's geological features have evolved through the movements of tectonic plates. Explains the different types of plate boundaries and how they manifest in geological formations. Also describes the structure...