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What is the definition of a theory?
What is the definition of a theory?
- A well-supported explanation of observations by repeatedly testing and confirming through experimentation (correct)
- A random guess about how things work
- A hypothesis that has not been tested yet
- A fact that is proven to be true without any doubt
What did Charles Darwin theorize about organisms?
What did Charles Darwin theorize about organisms?
- They remain the same forever
- They come from different planets
- They only evolve in human-made environments
- They change over time (correct)
What is fitness in the context of natural selection?
What is fitness in the context of natural selection?
- The color of an organism's fur
- The physical strength of an organism
- The speed at which an organism can run
- An organism’s ability to survive and produce fertile offspring (correct)
How did Darwin's observations on the Galápagos Islands contribute to his theory of natural selection?
How did Darwin's observations on the Galápagos Islands contribute to his theory of natural selection?
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According to Darwin, why do some individuals have more success in survival and reproduction?
According to Darwin, why do some individuals have more success in survival and reproduction?
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How did giraffes with longer necks have an advantage in Darwin's theory of natural selection?
How did giraffes with longer necks have an advantage in Darwin's theory of natural selection?
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