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Development of the Vertebrate Head and Sense Organs Was Largely

Question 20

Multiple Choice

Development of the vertebrate head and sense organs was largely the result of two innovations:


A) Appearance of an outer epidermis and an inner dermis
B) Neural crest and ectodermal placodes
C) Living endoskeleton and highly differentiated brain
D) 10 to 12 pairs of cranial nerves and an autonomic nervous system
E) Pharynx and endocrine system

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