Which of the following describes spicules?
A) They are complicated pore openings and passageways found in sponges.
B) They are fibrous skeletal proteins found in sponges.
C) They are needlelike skeletal structures made up of silica or calcium carbonate found in sponges.
D) They are specialized digestive cells found in sponges.
Correct Answer:
Verified
Q22: Which lineage of Cnidarians exist primarily as
Q23: Suppose that you found an animal that
Q24: Which lineage of Cnidarians exist only as
Q25: Consider the ringlike patterns on an earthworm
Q26: Which phylum is associated with all of
Q28: Which phylum contains members that do NOT
Q29: Which animal taxon is named for the
Q30: Which phylum is a member of the
Q31: Suppose that you have found an animal
Q32: Based on modern molecular phylogeny, which of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents