Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly...

Article

The Whale Graveyard Whodunit

One of the ocean's tiniest organisms often does the most harm. Microscopic algae...

Photo

Harp Seal, Prince Edward Island National Park, Canada

Harp seals are protected in the United States by the Marine Mammal Protection Act....

Marine Snow: A Staple of the Deep

Snow on land can make some people grumpy, but the magical-looking flakes and a...

Lesson Plan

Ocean Primary Production

This group of lesson plans focuses on primary production in the ocean via...

Lesson Plan

Trophic relationships in Arctic marine ecosystems

In this activity, students will be able to describe how ratios of stable nitrogen...

Lesson Plan

Where Have All the Glaciers Gone?

Students will describe how climate change is affecting sea ice, vegetation, and...

Lesson Plan

Realms of the Arctic Ocean: pelagic, benthic and sea ice

In this activity, students will be able to compare and contrast the pelagic,...

Lesson Plan

Global Climate Change and Sea Level Rise

Students will learn via experimentation that ice formations on land will cause a...

Lesson Plan

It’s Sedimentary, My Dear Watson

In this introductory activity, students analyze core sample data to identify...

Lesson Plan

Frozen Out

Students explain the concepts of indicator species and microhabitats. Students...

Lesson Plan

Let’s Make a Tubeworm

Students will be able to describe the process of chemosynthesis in general terms;...