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1. [2 pts] Please state True/False for each of the statements related to the sna

ID: 151006 • Letter: 1

Question

1. [2 pts] Please state True/False for each of the statements related to the snapping shrimp species tree below.

a) ______ The two species within the Atlantic Ocean are more closely related to each other than they are to the species in the Pacific Ocean.

b) ______ The species tree suggests that geographic isolation contributed to speciation in allopatry.

c) ______ A. panamensis is more closely related to A. formosus than A. nuttingi

d) ______ The species tree indicates that A. panamensis, A. nuttingi and A. millsae all radiated from an A. formosus-like ancestor

A. formosus A. nuttingi A. formosus A. panamensis ATLANTIO OCEAN A. nuttingi A. millsae Isthmus of Panama PACIFIC OCEAN A. panamensis A. millsae

Explanation / Answer

a)

b)

c)

d)