객관식
Which of the following is NOT a diagnostic feature of the phylum Chordata?
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32. Vertebrates
Chordates
객관식
If an animal has segments, bilateral symmetry, pharyngeal clefts, a post-anal tail, and deuterostomic development, it must be a member of the __________.
A
Annelida
B
Arthropoda
C
Mollusca
D
Platyhelminthes
E
Chordata
검증된 단계별 안내1
Begin by identifying the key characteristics mentioned in the problem: segments, bilateral symmetry, pharyngeal clefts, a post-anal tail, and deuterostomic development.
Understand that bilateral symmetry refers to the organism having a symmetrical body plan, where the left and right sides are mirror images.
Pharyngeal clefts are structures found in the pharynx region of chordates, which can develop into gills or other structures depending on the organism.
A post-anal tail is a tail that extends beyond the anus, a feature commonly found in chordates.
Deuterostomic development is a type of embryonic development where the anus forms before the mouth, characteristic of chordates and echinoderms. Given these features, the organism is classified under the phylum Chordata.
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