A possible explanation for a natural event, based on observations and past knowledge, is a
What will be an ideal response?
hypothesis.
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Sulfur dioxide released by coal-burning power plants contributes to _____
a. ozone destruction b. sea level rise c. acid rain d. desertification
At what size of prey population does the rate of predator population growth reach zero?
a. 250 b. 300 c. 350 d. 400
In a large experimental Drosophila population, the relative fitness of a recessive phenotype is calculated to be 0.90, and the mutation rate to the recessive allele is 5 x 10^-5. If the population is allowed to come to equilibrium, what allele frequencies can be predicted?
a. q hat = 0.5 and p hat = 0.5 b. q hat = 0.22 and p hat = 0.78 c. q hat = 0.022 and p hat = 0.978 d. q hat = 0.000055 and p hat= 0.999945
The chances of guessing the right answer to this question are
A. 1/1. B. 1/2. C. 1/3. D. 1/4.