In 1952, the American chemist and biologist Stanley Miller mixed a variety of inorganic substances in a beaker. He then put an electrical charge through them. A few days later, a brown goo, a possible precursor to life, formed on the sides of the beaker. What did Miller's famous experiment most likely generate?

Describe speciation of the galapagos island finches in terms of geographic isolation

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?