Handout
Encyclopedia of Earth

Encyclopedia of Earth: Vertebrate

For Students 9th - 10th
Explains the features of animals defined as vertebrates, how they evolved, and their taxonomy. (Published: April 29, 2010)
Handout
San Diego Zoo Global

San Diego Zoo: Otter

For Students 9th - 10th
This resource provides extensive information about otters, including photos and an audio clip.