First, read pages 141-145 on Echinoderms.
Due 11/17
Name:____________________________
1) Echinoderms include the animals such as:
2) Echinoderms have __________________________________ symmetry.
3) True or False: They lack a head.
4) True or False: They do not have a digestive tract.
5) True or False: Most echinoderms lack a circulatory system.
5) Echinodermata means “_____________________________________”
6) The water vascular system is a network of ______________________- filled ___________________.
7) What are tube foot used for?
8) There are about __________________ known species of Echinoderms.
9) List the 5 classes in the Phylum Echinodermata as well as one organism in each class.
1.
2.
3.
4.
5.
10) Describe the endoskeleton of Class Asteroidea
11) Describe how most sea stars eat.
Define #12-14
12) Ambulacral grooves =
13) Evisceration =
14) Respiratory trees =
15) What do sea urchins eat?
16) Describe how sea cucumbers eat.