A difference between a chicken's foot and a duck's foot is the presence or absence of webbing-a duck's foot has webbing between the digits, while a chicken's foot lacks the webbing. Which of the cell processes that play a role in producing tissues/organs is NOT happening to a great extent during development of a duck's foot?
A. cell connections
B. cell growth
C. cell division
D. differentiation
E. apoptosis
Answer: E
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