Curated by
ACT
[Free Registration/Login may be required to access all resource tools.] Birds aren't the only creatures that have feathers. One type of echinoderm, the feather star, has feathery arms. These animals don't fly or even move much at all. They usually cling to rocks, using a root-like structure. Learn more about types of echinoderms in this learning module produced by CK-12.
3 Views
0 Downloads
Concepts
Additional Tags
Classroom Considerations
- Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)