Which phylum is exclusively marine (ocean-dwelling) ?
A) Porifera
B) Echinodermata
C) Mollusca
D) Cnidaria
E) Nematoda
Correct Answer:
Verified
Q22: A sea star ("starfish") is:
A) a deuterostome.
B)
Q23: Which of the following is a major
Q24: Members of which phylum have a notochord,
Q25: Which phylum contains the most species?
A) Echinodermata
B)
Q26: Which phylum has both medusa and polyp
Q28: Members of which phylum are mostly small,
Q29: Which of the following phyla have asexual
Q30: Which of the following animals is most
Q31: A zoologist discovers a vertebrate unknown to
Q32: Which of the following modern fish is
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