The evolution of the notochord in chordates permitted a more complex embryonic development. Indicate whether the statement is true or false
ANS: T
The rigid "scaffold" of the notochord became the internal foundation for a skeleton. This then allowed
for complex muscle development. Some organisms have cartilaginous skeletons while most are made
of bone. Information can be found in the section Construction of Complex Chordate Bodies Begins on
a Stiffening Scaffold.
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