Short Answer
Molecular data support the hypotheses that metazoans have a single origin or are _________________.
Sponges are monophyletic. They arose from a single common ancestor. All other animals comprise a sister group to the sponges.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: The extracellular matrix found in sponges is<br>A)spongin.<br>B)collagen.<br>C)pinacoderm.<br>D)mesohyl
Q4: The free-swimming larva of most sponges is
Q4: The most complex and the most common
Q7: The flagellated cells embedded in the mesohyl
Q8: Internal buds of freshwater sponges that can
Q8: All digestion in sponges is intracellular and
Q20: About 80% of particulate organic carbon in
Q28: Explain the unique attributes of hexactinellids as
Q29: Describe the characteristics of the Phylum Porifera.Which
Q42: Which one of the following statements regarding