Which phylum contains organisms whose body plan can be divided into a head,thorax,and abdomen?
A) Arthropoda
B) Annelida
C) Mollusca
D) Nematoda
E) Porifera
Correct Answer:
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Q2: Members of which group are NOT deuterostomes?
A)Chordates
B)Vertebrates
C)Echinoderms
D)Arthropods
Q6: Which feature is not a characteristic of
Q10: The subkingdom of animals that lack symmetry
Q11: Of the mollusks,octopuses are in the group
Q12: The key evolutionary development seen for the
Q13: Of the mollusks,snails are in the class
Q16: The first animal group to show extracellular
Q17: The function of the notochord is taken
Q19: The phylum that shows the greatest diversity,or
Q20: Animals in which the anus develops before
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