Which of the following statements provides the best statement of a hypothesis?
A. I suspect that most people have the ability to identify cabbage by its smell.
B. I know there is life on Mars.
C. I think that there will be inventions that will allow greater amounts of food to be produced.
D. I can sing better than you.
A. I suspect that most people have the ability to identify cabbage by its smell.
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Why doesn't inbreeding depression, by itself, cause evolution?
A) It decreases the population's average fitness. B) It limits gene flow. C) It does not change the population's allele frequencies. D) It increases homozygosity. E) It violates the Hardy-Weinberg assumptions.
Imagine you are entering a darkened cavern. You are excited, but also a little nervous. Your heart rate quickens, your blood pressure rises slightly, and your digestive system activity decreases as blood is diverted to your muscles—all changes that prepare you should you need to move rapidly. This type of change is an example of
A. positive feedback control. B. negative feedback control. C. a failure of homeostasis. D. feedforward regulation. E. open loop feedback.
The metric system is the measurement system of choice for
a. scientists. b. most countries in the world. c. most peoples of the world. d. all of the above.
The neutral theory of molecular evolution and Hardy–Weinberg equilibrium are similar because:
What will be an ideal response?