In an expirment on traffic, 20 cars are observed driving down a street in 4 hours. what rate of traffic was observed in this experiment? a.5 cars per hour b.2 c.4 hours d.0.2 hours per car

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

Do fish feel pain? and if they do what pain

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.