Curated OER
Glacier Bay Seabirds
A gorgeous collection of photographs take viewers on a virtual tour or Glacier Bay National Park with a focus on the seabirds living in the area. Adaptations to the polar climate are highlighted, different species of birds are displayed,...
Kenan Fellows
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local streams....
Kenan Fellows
Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...