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.
Answers: 3
Biology, 22.06.2019 01:30
All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.
Answers: 1
Biology, 22.06.2019 01:50
Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above
Answers: 2
Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
The fish Astyanax mexicanus has populations in surface lakes and in caves. Cave populations lose the...
Mathematics, 17.10.2019 21:30
History, 17.10.2019 21:30
Spanish, 17.10.2019 21:30
Biology, 17.10.2019 21:30
English, 17.10.2019 21:30
Biology, 17.10.2019 21:30
Social Studies, 17.10.2019 21:30
History, 17.10.2019 21:30
History, 17.10.2019 21:30
English, 17.10.2019 21:30
Mathematics, 17.10.2019 21:30