University:
Michigan State University
Course:
BS 162 | Organismal and Population Biology
Academic year:

2023
Views:

184

Pages:

1
Author:

Kundulu8mbj

Echinodermata (Phylum) – Multiple Choice Test KEY Name: ___________________________________ Class: ______________________ 1 All the following animals are Echinoderms, EXCEPT: 5 A seaweed and kelp. B clams, oysters and scallops. C whales. D fish. A starfish B octopus C sand dollar D sea urchin E sea cucumber 2 Echinoderms are found in: 6 Echinoderms: 7 A are all radially symmetrical. B have an internal skeleton called endoskeleton. C breathe through a kind of gills. D are all of the above. 4 Echinoderm adults: A move on the sea floor on “tube feet” B are free-swimming C are attached to the sea floor (sessile). D all of the above. Starfish eat by: A wrapping its arms around its prey and squeezing. B biting it into bits before swallowing it. C pushing their stomach out of their mouths to dissolve prey before eating it. D They don’t eat. A desert habitats. B forest habitats. C ocean habitats. D all habitats. 3 Starfish eat: To defend against predators, sea urchins have: A sharp spines. B stinging tentacles. C big teeth. D none of the above. 8 Sand dollars and sea urchins have all of the following, EXCEPT: A Pores that form a flower pattern in their skeleton. B A flattened endoskeleton. C Sharp spines they use to burrow in the sand. D All of the above.