Biology, 11.10.2020 14:01 girlygirl2007
Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozone layer
Active volcanoes and very cold temperatures
Low levels of ultraviolet radiation and specific mixture of gases
Organic molecules produced from spontaneous synthesis or from meteorites
Answers: 2
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Blood has traveled from the heart to the toes. which describes the next step of the circulation process?
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Nucleic acids offer variability because they contain alternate forms of genes called .
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Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting
Answers: 1
Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozon...
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