Survival of the Fittest Sound and Light

What is most likely to happen to moth populations in the picture shown?

• Light moths--hunted easily, dark moths--population increase

• Dark moths--hunted easily, dark moths--population increase

• Light moths--hunted easily, light moths--population increase

• Lights moths will change their color to match dark moths.

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What is the most likely explanation of the data shown below?

• There has been a drought in the area that is affecting all life forms.

• The population of natural predators of the moths has gotten smaller.

• The moths are living in an environment with light trees.

• The moths are living in an environment with dark trees.

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Which scientist is known for the theory of 'Survival of the Fittest'?

• Charles Darwin

• Isaac Newton

• Albert Einstein

• Galileo Galilei

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What is the primary medium through which sound travels?

• Vacuum

• Water

• Air

• Metal

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Which of the following is a property of light?

• It can travel through a vacuum

• It requires a medium to travel

• It cannot be reflected

• It cannot be refracted

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In the context of natural selection, what does 'fittest' refer to?

• Strongest

• Fastest

• Most adaptable

• Largest

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What is the speed of light in a vacuum?

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Which of the following best describes sound?

• A transverse wave

• A longitudinal wave

• An electromagnetic wave

• A static wave

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What is the unit of frequency for sound waves?

• Hertz

• Decibel

• Newton

• Pascal

Which phenomenon explains why we see lightning before we hear thunder?

• Refraction

• Reflection

• Diffraction

• Speed of light is faster than speed of sound