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You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1340 Hz. You are relieved that he is in pursuit of a different speeder when he continues past you, but now you perceive the frequency as 1300 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s.
Internal Environment
The conditions and processes occurring within an organism's body that ensure its stable operation and life activities.
Tolerable Range
The range of environmental conditions within which an organism can survive and reproduce without experiencing stress.
Carolus Linnaeus
A Swedish botanist, physician, and zoologist in the 18th century, who laid the foundations for the modern scheme of binomial nomenclature.
Natural Selection
The mechanism through which better-suited organisms to their surroundings are more likely to survive and yield a higher number of progeny.
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