Answer:
Nitrogen Base
Explanation:
This molecule is made of a nitrogen base (adenine), a ribose sugar, and three phosphate groups.
Natural selection is a specific mechanism of evolution in which the heritable traits help an organism to survive and reproduce successfully. answer B
Answer:
I think D
Explanation:
if it is a function, it needs to have a mathematical equation.
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The experiment is performed in order to either accept or reject the hypothesis based upon the results
C Its the only one that actually affects the bird population.