Biology, 18.03.2020 02:38, wirchakethan23

The fish Astyanax mexicanus has populations in surface lakes and in caves. Cave populations lose their eyes through degeneration and are unpigmented, while surface populations have normal eyes and pigment. The two groups can form hybrids when mated in the laboratory, but rarely interact in the wild. This is an example of a species currently undergoing hybridization.

A: hybridization.
B: immigration.
C: allopatric speciation.
D: sympatric speciation.

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The fish Astyanax mexicanus has populations in surface lakes and in caves. Cave populations lose the...