Xixuthurus heros, the Giant Fijian Longhorn Beetle, is the world's second largest beetle, with specimens reaching up to 150 mm in body length. Assume body length for X. heros beetles is normally distributed with =80mm and σ=30mm. What proportion of the population will range between 50 and 110mm in body length?

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.