Hearts of mammals homologous or analogous structures

Reference no: EM1392874

Question: Fish, reptiles, and mammals are descendents of a common vertebrate ancestor that had a heart. Fish hearts have two chambers, most reptile and amphibian hearts have 3 chambers, whereas mammalian hearts have four. Are the hearts of fishes, reptiles and amphibians, and the hearts of mammals homologous or analogous structures?
Select one:
a. Homologous
b. Analogous
c. both
d. neither

Reference no: EM1392874

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