Multiple Choice
-A water-vascular system is characteristic of the phylum
A) Arthropoda.
B) Annelida.
C) Chordata.
D) Mollusca.
E) Echinodermata.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: _ are asymmetrical and do not have
Q21: The majority of crustaceans live in _.
Q23: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8664/.jpg" alt=" -An unidentified arthropod
Q24: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8664/.jpg" alt=" Use the figure
Q25: Animals that are hermaphroditic usually<br>A) fertilize their
Q26: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8664/.jpg" alt=" -For roundworms living
Q29: Poriferans are<br>A) herbivores.<br>B) filter feeders.<br>C) scavengers.<br>D) predators.<br>E)
Q30: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8664/.jpg" alt=" - Tardigrada
Q32: The first phylum with three germ layers
Q33: The gut cavity may be a fully