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Study the diagram of the geologic time scale. which method is most likely used to identify what happened before the start of the paleozoic era? a. scientists study fossils from the jurassic period. b. scientists observe index fossil records of the mesozoic era. c. scientists examine fossil evidence during the precambrian time. d. scientists explore the emergence of mammals and humans in the cenozoic era.
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Biology, 21.06.2019 20:50
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
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Biology, 21.06.2019 23:30
Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom
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Which of the following is a good strategy when it comes to desserts
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Study the diagram of the geologic time scale. which method is most likely used to identify what happ...
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