Multiple Choice
The distinction between sponges and other animal phyla is based mainly on the absence versus the presence of
A) a body cavity.
B) a complete digestive tract.
C) a circulatory system.
D) True tissues.
E) mesoderm.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q7: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5463/.jpg" alt=" The previous
Q8: What do animals as diverse as corals
Q67: The following eight questions refer to Figure
Q68: An animal that swims rapidly in search
Q70: Phylogenetic trees, such as those in Fig.
Q72: What is the probable sequence in which
Q73: The following questions are based on the
Q74: Table 32.1. Proposed Number of Hox Genes
Q75: The following eight questions refer to Figure
Q77: Which of the following was the least