However, even nearby populations can differ in cold hardiness.

An alternative explanation for the general enhancement of performance is simply that the subject populations differ between the studies.

How does the population of Britain differ from that of Brazil?

Some populations differ in having cones that open at maturity, with seed dispersal not relying on fires.

In seed beetles, populations differed in development time and growth rate between sexes.

The population and area of the three countries differ significantly.

Depending on the boundaries used, the population of Copenhagen differs.

The exact population of each product relative to the others differs considerably depending upon the size of the ring involved.

From studying our genetic makeup, scientists have found that there are about 15 million places along the genome where a person or population can differ.

They hope to find out whether migration was universal among sauropods, or populations differed from place to place.