True or False: In countries with a significant portion of land that cannot be used to grow crops, physiological density will be much higher than arithmetic density

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a.organisms would evolve to increase variety b.natural selection would operate faster c.less food would be available d.evolution through natural selection would not occur

Eastern europe and parts of northern europe have which of the following climates?

Which phrase describes the time it takes for a planet to make a complete rotation