ECHINODERM PRACTICE TEST
1. Echinoderms are _________________.
|2. This winged echinoderm larva is called a _____________________.|
3. Name 3 characteristics found in ALL echinoderms.
4. Type of symmetry in an adult seastar.
asymmetry radial symmetry bilateral symmetry
5.The ability seen in starfish to "self amputate" or drop body parts on purpose is called _______________.
6. The ring canal, stone canal, radial canals, and madreporite are all parts of the _________________ system.
Image by Riedell
7. Name the pincherlike
8. Give a function for these.
9. All echinoderms are MARINE. Tell what that means.
10. Echinoderms remove their nitrogen waste through the ___________________.
anus skin gills surface of tube feet madreporite
11. Which part of a starfish's stomach is extruded out through its mouth to eat?
12. Give a function of the digestive gland in a starfish.
13. Name an organ seen in worms and clams that is missing in starfish.
14. Echinoderms are the only invertebrates whose
blastopore becomes its _________.
15. Name one of the structures found inside the ambulacral ridge.
|16. Name these calcium carbonate
plates used to form the endoskeleton in a starfish.
Image from: http://ebiomedia.com/prod/BOechinoderms.html
17. The Latin meaning of the term ECHINODERM is
18. Starfish have ______________ fertilization and ___________ development.
19. The madreporite and anus are located on a starfish's _________ surface.
20. TRUE OR FALSE
Starfish have cephalization.
21. Give Kingdom, Phylum, and Class for seastars.
22. What do the typhlosole in earthworms, gill ridges in clams, and skin gills in starfish ALL have in common?
23. The general word that refers to reproductive organs is __________________.
||24. Name B
25. Name E
26. Name the groove on the oral surface that holds the tube feet.
27. Name the special type of radial symmetry seen in 5 armed starfish.
28. Starfish have _____________ circulation.
29. Starfish use _________________ reproduction
30. Part of a starfish's stomach that connect to the digestive glands and anus.
1. Invertebrate deuterostomes
3. ONLY invertebrate deuterostomes
endoskeleton of ossicles
Water vascular system with tube feet
Radial symmetry as adults
4. radial symmetry
6, water vascular system
8. keep surface clear
9. live in salt water (oceans)
10. skin gills and surface of tube feet
12. make bile, finish digestion, absorb nutrients
13. heart or intestine
15. radial nerve OR radial canal
17. spiny skin
18. external fertilization & indirect development
20. FALSE; NO Cephalization
21. Kingdom: Animalia Phylum:Echinodermata Class: Asteroidea
22. ALL increase surface area
24. stone canal
29. BOTH asexual and sexual