A pretext is an excuse to do something or say.
Answer:
It could be embreology. (I think i spelled that wrong)
Explanation:
It is a way to compare the embreos of two species to see the similarities between the two. If there are similarities then they have a common ancestor. If they don't have similarities then they arent from the same family.
Answer:
The answer is B
Explanation:
The correct answer is B, paradox. A paradox is a seemingly contradictory statement, as in he knows in singing not to sing. The lines do not rhyme (A), exaggerate (B), or develop an extended metaphor (C).
Answer: Mutation
Explanation: Mutation is a change in DNA sequence, it may occur due to error when the DNA is copied or it can arise from various environmental factors such as exposure to chemicals, UV radiation, Highly infectious microbes.
Mutation maybe spontaneous. Acquired mutations occur at some point in a person's life and are present only in certain cells, not in every cell in the body while some may target a tissue, an organ or an entire system.