Multiple Choice
Which of the following best illustrates the evolutionary response of tetrapods to major changes in Earth's geology and climate?
A) Formation of pharyngeal slits
B) Formation of jaws with teeth
C) Formation of tough impermeable skin covered with scales
D) Formation of eggs enclosed in gelatinous envelopes
E) Formation of an internal bony skeleton
Correct Answer:

Verified
Correct Answer:
Verified
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