Organisms Beneath the Sand
What’s lurking beneath your beach blanket? Even when a beach looks empty, the...
Wed, 06/07/2017 - 15:48
Jellyfish and Comb Jellies
Jellyfish and comb jellies are gelatinous animals that drift through the ocean's...
Secrets of the Sediments
In this activity, students graph and analyze data from sediments collected off the...
Mon, 03/15/2010 - 15:06
Students explain the concepts of indicator species and microhabitats. Students...
Tue, 12/01/2009 - 12:12