The DNA content for an organism is analyzed. The results showed that 21% of the nucleotides contained the nitrogenous base adenine. What else can be inferred based on this data? Select ALL that apply.
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A)
The percentage of cytosine is 29%.
B)
The percentage of adenine is 21% for all organisms.
The percentage of thymine in the organism is also 21%.
D)
The percentage of guanine in the organism is also 21%.
E)
The percentage for cytosine if the organism is also 21%.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.