Suppose you want to figure out the fastest route to walk home from school. You will try several different routes and time how long it takes you to get home by each one. Are the following variables true or false?

The independent variable is Varying the route you walk home.
The dependent variable is the time it takes.
The controlled variable is keeping the same person walking.

Question 5 options:
True
False

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.