A forester is studying a woodlot near Winter Park. She finds that there are 500 aspen trees in the 12
km by 13 km area she is studying. What is the
population density of the aspens?

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Which of these resources is used worldwide to make construction products, pottery, and porcelain

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?