Prominent spines are found on __________ of the phylum Echinodermata.
A) Ophiuroidea
B) Echinoidea
C) Asteroidea
D) Concentricycloidea
E) Holothuroidea
Correct Answer:
Verified
Q2: Sea stars eat:
A) large fish.
B) mostly algae.
C)
Q2: Deuterostomes are characterized by _ and _
Q5: Sea stars are primarily:
A) herbivores.
B) omnivores.
C) carnivores.
D)
Q14: Echinoderms are unusual invertebrates as they have
Q18: Deuterostomes evolved during the:
A) Cambrian.
B) Proterozoic.
C) Paleozoic.
D)
Q18: Class _ includes mostly extinct species and
Q21: A fish with a cartilaginous skeleton and
Q22: The neural crest cells of vertebrates influence
Q23: In which group did lungs first evolve?
A)
Q24: Sharks may detect their prey using all
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