Which of the following has the greatest population density?
a.125,000 organisms in 2.5mi^2
b. 13,000 organisms in 1.0mi^2
c. 150,000 organisms in 4.0mi^2
d. 100,000 organisms in 0.5mi^2

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

The data below simulate what happened to peppered moths in england after the industrial revolution which statement best describes the process that produced one of the emding populations of moths ?light colored moths were selected for on light colored trees

Ascientist observes certain changes in the physical features of a particular species over time. she concludes that the species has undergone evolutionary change. she wants to study the animals by analyzing their population. she’ll use . the population of this species is decreasing considerably. if this trend doesn’t change, this species will fall under the category of animals. this is a plato question,i need to make up his biology credit.