Which of the following best describes how comparative anatomy can be used to determine the evolutionary relationship between two organisms?

organisms that have a great deal of physical similarity are more likely to share a common ancestor than two organisms with few physical traits in common.
comparing the physical traits of two organisms makes it possible to determine how long ago they shared a common ancestor.
studying the physical differences between two organisms will show which organism evolved from the other.
two species that have few physical traits in common do not share a common ancestor and most likely evolved from different species.

The movement of tectonic plates in two different locations is shown below: two blocks labeled location a and location b are shown. at location a the top layer of the block shows two horizontal arrows pointing towards each other. small dunes are shown in the middle between the two arrows. the block labeled b has a vertical line in the middle. on the left of the line there is an arrow pointing down. on the right of the vertical line there is an arrow pointing up which statement is most likely true? subduction may occur in both locations. earthquakes may occur in both locations. subduction may occur in location a only and a volcanic eruption may occur in location b only. an earthquake may occur in location a only and a volcanic eruption may occur in location b only.

Which experiment would most likely contain experimental bias ?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species