Evolution of heart from one to two, three and four chambered proves:
1.  Biogenetic law of Haeckel
2.  Lamarckism
3.  Hardy weinberg's law
4.  Neo Darwinism

Subtopic:  Embryological Evidence of Evolution |
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Which is not a vestigial organ in man:

1. Third molar

2. Nails

3. Segmental muscles of the abdomen

4. Coccyx

Subtopic:  Embryological Evidence of Evolution |
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The presence of gills in the tadpole of a frog indicates that:

1. Fishes evolved from frog-like ancestors
2. Frogs will have gills in future
3. Frogs evolved from gilled ancestors
4. Fishes were amphibious in the past 

Subtopic:  Embryological Evidence of Evolution |
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