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My dad drives a Trail Blazer When in driver or passenger seat and one of the back windows are open you feel a large annoying pressure on ears that gives a headache Why does this happen?
it has to do with the aero dymamics off the vehical moving throught the air . it creates a vaccum behind the car, so when you open the driver and passinger window and one of the back ones it alters the direction of flow in the vehical . this causes turbulance( a sudden change from high pressure air to low prussure air and back) as the air passes through the vehical. its like going up and down an elevator 15 stories 4 times a second. that would cause anyone to get headaches
Allele frequencies in a population tend to remain the same from generation to generation unless acted on by outside influences?
Genetic equilibrium is a theoretical concept used to study the dymamics of single alleles in the population gene pool. In practice, there is no situation in which allele frequencies do not drift to some degree. Large populations may slow drift down, but there will still be drift.
What are five conditions that can disrupt genetic equilibrium and cause evolution to occur?
Three ways genetic equilibrium can be disrupted include, mating not being random, mutations occur, and natural selection occurs. Two other disruptions are organisms move in and out of the populations and many populations are too small to begin with.
