Biology, 13.04.2020 04:40 swelch2010
Linnaeus lived hundreds of years before scientists discovered DNA, genes, and the roles of DNA and genes in determining the traits of organisms. How have discoveries about DNA and genes affected scientific classification?
A. The discoveries confirmed all of the classifications that Linnaeus proposed, and no revisions have been necessary.
B. The discoveries confirmed all of the classifications that were based on observable traits, and no revisions have been necessary.
C. Although the discoveries did not confirm some of the classifications that were based on observable traits, scientists did not revise the older classifications.
D. The discoveries confirmed many but not all of the classifications that were based on observable traits, and scientists revised classifications when necessary.
Answers: 2
Biology, 21.06.2019 20:30
Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data
Answers: 2
Biology, 22.06.2019 13:00
As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged
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Biology, 22.06.2019 13:10
Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?
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Biology, 22.06.2019 13:30
Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other
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Linnaeus lived hundreds of years before scientists discovered DNA, genes, and the roles of DNA and g...
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