Multiple Choice
Echinoderms and hemichordates are more closely related to mammals than to crabs and shrimp.Indicate below if this statement is True or False,followed by the correct reasoning for that answer.Check all of the answer choices that apply.
A) True.Echinoderms,hemichordates,and mammals are all deuterostomes.
B) False.Crabs,shrimp,echinoderms and hemichordates are all invertebrates and chordates are vertebrates.
C) True.Echinoderms,hemichordates,and mammals all share developmental characteristics including determinant cleavage and a mouth that forms in the region of the blastopore.
D) True.This relationship is supported by molecular evidence.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Sea daisies were formerly assigned to a
Q4: If a brittle star is grasped by
Q5: Regeneration of lost parts of a sea
Q6: Which of the following is a characteristic
Q7: Enteropneusta and Pterobranchia are classes of animals
Q9: The echinoderms that most closely resemble fossil
Q10: In sea stars,contraction of the _ force
Q11: The skeleton of sea urchins consists of
Q12: Coiled masses of fecal material called _
Q13: Sea cucumbers belong to the echinoderm class<br>A)Holothuroidea.<br>B)Crinoidea.<br>C)Asteroidea.<br>D)Ophiuroidea.<br>E)Concentricycloidea.