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Zoology 8th Edition by Stephen Miller,John Harley
النسخة 8الرقم المعياري الدولي: 978-0073028200Zoology 8th Edition by Stephen Miller,John Harley
النسخة 8الرقم المعياري الدولي: 978-0073028200 تمرين 22
In the vertebrates, the notochord
A) is present dorsal to the nerve cord.
B) is present ventral to the gut.
C) serves as the chondrocranium.
D) has been transformed into the ear bones.
E) is replaced by the vertebrae in almost all species.
A) is present dorsal to the nerve cord.
B) is present ventral to the gut.
C) serves as the chondrocranium.
D) has been transformed into the ear bones.
E) is replaced by the vertebrae in almost all species.
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Zoology 8th Edition by Stephen Miller,John Harley
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