Where on Earth are the longest mountain ranges located?

A. on the Continental crust

B. the western United States and Mexico

C. near the centers of the oceans

D. lower parts of Antarctica

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is the primary function of the nervous system?

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