Prairie dogs are rodents that live in colonies. black-tailed prairie dog (cynomys ludovicianus) colonies typically have around 12 adult animals per hectare.
what aspect of the population ecology of the black-tailed prairie dog does this statement describe?
population growth
life history
population density
population size

Which would be the most useful source of evidence to support mcneill's contention?

Why do oceanic plates tend to subduction when colliding with a continental plate

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.