If a topographical map has a contour interval of 50 m, by how much would you change your elevation if you crossed 15 contour lines? a: 750 m b: 500 m c: 15 m d: 50 m

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4