Shortened 1st Semester Exam Review

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What is mitosis?

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Mitosis is the process of cell division that results in two genetically identical daughter cells, used for growth and repair.

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What is meiosis?

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Meiosis is a type of cell division that reduces the chromosome number by half, producing four genetically diverse gametes.

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What is replication in biology?

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Replication is the process by which DNA makes a copy of itself during cell division.

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What is transcription?

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Transcription is the process of copying a segment of DNA into RNA.

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What is a phenotype?

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A phenotype is the physical expression or characteristics of an organism, determined by its genotype and environment.

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What is a genotype?

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A genotype is the genetic makeup of an organism, consisting of the alleles inherited from its parents.

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What is an unconformity in geology?

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An unconformity is a surface that represents a gap in the geological record, indicating that sediment was not deposited for a period of time.

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What is natural selection?

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Natural selection is the process where organisms that are best suited to their environment survive and reproduce, passing on their traits.

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What is the principle of superposition?

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The principle of superposition states that in undisturbed layers of rock, the oldest layers are at the bottom and the youngest are at the top.

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What is an intrusion in geology?

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An intrusion is a body of igneous rock that forms when magma cools and solidifies beneath the Earth's surface.