These high quality video clips and photographs clearly illustrate some of the most minute anatomical structures. Discover its use of hydraulics in capturing and devouring prey. The introduction provides a good overview of this ocean dweller. Arms, sieve plates, tube feet, etc. are explained and clearly illustrated by full screen high quality digital photography. Internal structures are illustrated and explained.
All pertinent terminology is pronounced.
Learn how it sees without eyes and moves without legs. This section covers digestive, excretory, circulatory, reproductive and nervous systems. High resolution color photos add microscopic views of internal organs.