Exam 14: Speciation and Extinction

Figuer: -Given the data of pollinator responses to the hybrid colors of monkeyflowers,which of the following is the most likely result,if researchers accidentally allowed M.cardinalis hybrids (or real mutants of the YUP gene)to be transplanted in the wild,in the same areas as M.lewisii and M.cardinalis are found.

In systematics,a group of organisms consisting of a common ancestor and some,but not all,of its descendents is defined as a

Among evolutionary biologists,the idea of sympatric speciation can be controversial.

The spatial arrangements that may help cause speciation are

A biology student has captured,measured,and released many ground squirrels from an upland,rocky,wooded area,and many similar ground squirrels from a shrub area in soft soil near a stream.She is measuring skull dimensions,leg and claw lengths and shapes,and other traits of the ground squirrels from each collection area hoping to determine if the two populations are different species.She is involved in