Echinoderm evolution is controversial but most zoologists agree that ___________ are related and form one clade.
A) sea stars and brittle stars
B) sea stars and sea urchins
C) sea stars and sea cucumbers
D) sea urchins and sea cucumbers
E) crinoids and sea urchins
Correct Answer:
Verified
Q35: If you went to the ocean and
Q36: How do the tube feet of sea
Q37: Which is NOT a correct association of
Q38: The role of the hemal system is
Q39: The echinoids
A)have five long,slender arms.
B)are enclosed in
Q41: Hemichordates were not recognized until the 1800s
Q42: The hemichordate "notochord" is
A)the feature proposed by
Q43: The grooves that run along the oral
Q44: Hemichordates show relationships to
A)arrow-worms.
B)arthropods and annelids.
C)molluscs and
Q45: The water vascular system is derived embryologically
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