Vestigial structures. These are structural elements that once served a purpose but as the organism evolved now serves no purpose.
Answer:
2. blood vessels under the skin expand
Explanation:
i just took that quiz and i got it right :)
They might be deep inside
Answer:
The crust forms at the ridge and is carried away by the movement of the plate as new crust forms to take its place. The oceanic crust is youngest new a mid ocean ridge and oldest far away from it.
Explanation:
Copy number changes is considered as genetic changes which does not lead to the formation of oncogenes.
Copy number change- The cytogenetic level of resolution, known as copy number variation (CNV), involves both duplications and deletions of sequences that generally have lengths between 1,000 base pairs and 5 megabases.
Genetic Change- Genetic mutations, which occur as our cells divide and generate duplicates of themselves, are modifications to your DNA sequence.
Base Pairs- The DNA molecule is made up of two bases (or nucleotides) that contain nitrogen. Adenine (A), cytosine (C), guanine (G), and thymine (T) are the four bases of DNA (T). These bases come in certain pairings (A with T, and G with C).
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