What is natural selection?
Evolution/Geologic Time

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Biology
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Natural selection is the process by which individuals that are better adapted to their environment are more likely to survive and reproduce.
2.
FLASHCARD QUESTION
Front
What does the law of superposition state?
Back
The law of superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest layers are at the top.
3.
FLASHCARD QUESTION
Front
What is evolution?
Back
Evolution is the gradual change in species over time through processes such as natural selection and genetic drift.
4.
FLASHCARD QUESTION
Front
What is half-life?
Back
Half-life is the length of time required for half of the radioactive atoms in a sample to decay.
5.
FLASHCARD QUESTION
Front
What does the Law of Superposition help determine?
Back
The Law of Superposition helps determine the relative age of rock layers.
6.
FLASHCARD QUESTION
Front
What is competition in the context of evolution?
Back
Competition refers to the struggle between organisms for limited resources such as food, space, and mates.
7.
FLASHCARD QUESTION
Front
What is variation in a population?
Back
Variation refers to the differences in traits among individuals in a population, which can affect their survival and reproduction.
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