Answer:
The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
Answer:
Organ level– an organ is a structure composed of at least two different tissue types that perform a specific function within the body. Examples include the brain, stomach, and liver. Complex functions begin to emerge at this level.
Explanation:
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your answer to this response will be
Paleontologists study fossils and their relationship to existing plants and animals. The work of these scientists helps us understand both the present and the past. For example, using their knowledge of how fossils are distributed in sediments, paleontologists can help make accurate geological maps.
so the answer is A)
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FaithRawlins14
C.solid surface
I think it’s wrong
But mark me as brainliest