Which of the following is NOT a characteristic of echinoderms?
A) They exhibit cephalization.
B) Adults exhibit radial symmetry.
C) Larvae exhibit bilateral symmetry.
D) They have a complete digestive tract.
E) They have spiny skin.
Correct Answer:
Verified
Q21: Pinworms and hookworms belong to the phylum
A)NematodA.
B)Annelida.
C)Platyhelminthes.
D)Porifera.
E)Cnidaria.
Q40: Spiders and scorpions belong to the phylum
A)CnidariA.
B)Echinodermata.
C)Annelida.
D)Mollusca.
E)Arthropoda.
Q41: Which of the following is a lobe-finned
Q53: Which of the following is an amphibian?
A)
Q55: A circulatory system that keeps blood confined
Q56: Which of the following is a jawless
Q57: Which of the following is NOT a
Q59: A circulatory system in which the heart
Q62: Which of the following is NOT a
Q65: Even semi-aquatic reptiles,like crocodiles and alligators,can spend
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