Which of the Following Statements Best Explains the Similarity in the Body

Multiple Choice

Which of the following statements best explains the similarity in the body form of penguins, seals, and tuna?

A) All of the organisms needed to develop similar body shapes so they could swim.
B) All of their bodies have been compressed since birth by intensive underwater pressures.
C) Their shapes are the result of convergent evolution, which reduces drag while swimming.
D) This is the only shape that will allow them to maintain a constant body temperature in water.