. The response of a population to environmental pressure so that advantageous traits become more common in the population over time is called?

What are the three groups of atoms that make up amino acids called

On his trip to the galapagos islands, darwin determined that animals on the islands

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?