Phylogenetic tree Mating compatibility 1. In experiments with four related speci
ID: 212948 • Letter: P
Question
Phylogenetic tree Mating compatibility 1. In experiments with four related species you find the pattern diagramed above. The diagram indicates that: a. Trait 1 is a synapomorphy for species A, B, and C b. Species A, B, and C are different phylogenetic species c. Species A, B, and C are different biological species d. a and b e. all of the above 2. A clam species occupying the Gulf of Mexico is the sister species of another clam that occupies rivers that empty into the Gulf. These species were most likely produced by: a. Allopatric speciation through vicariance b. Repeated colonization events c. Parapatric speciation by adaptation to a gradient from salt to fresh water d. Sympatric speciation through differences in physiology Gametic isolation preventing fertilizationExplanation / Answer
1. All of the above are true your
2. Since the species were formed by taking up a new habitat, there is geographical isolation which implies that it was a allopatric speciation