Is based on managers' assessment of current head count plus a best guess of how internal factors and external factors will affect that head count.

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird