Answer:
The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.
Explanation:
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Epidermis contain blood vessels and nerve endings
1. Interphase: Chromosomes duplicate
2. Prophase: Chromosomes pair up
3. Metaphase: Chromosomes line up at equator
4. Anaphase: Chromatid sisters pulled apart
5. Telophase: Cells begin to divide
6. Cytokinesis: Two daughter cells are formed
Addition mutation
This is an addition mutation because the mutated strand has an additional one nucleotide (cytosine) at the end.
Explanation:
This kind of mutation , including deletion mutations, are lethal because they cause a frameshift mutation. Frameshift mutation are a change in codon sequences downstream of a mutation. This causes different amino acids to be coded by the different codons hence changing the translated protein.
Learn More:
For more on mutations check out;
brainly.com/question/1343509
brainly.com/question/12334066
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