The presence of temporary gills in the embryos of snakes, birds and ma – McqOptions

MCQOPTIONS

1.	The presence of temporary gills in the embryos of snakes, birds and man indicates that [NCERT 1983]
A.	These embryos need gills for breathing
B.	Ancestors of these animals had gills at one stage of evolution
C.	Lungs evolved from gills
D.	Medium in which these embryos develop resembles \[{{O}_{2}}\] rich water
Answer» C. Lungs evolved from gills

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