In seedcracker finches from Cameroon, small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming hard, what type of selection would then operate on the finch
population?
A) disruptive selection
B) directional selection
C) stabilizing selection
D) No selection would operate because the population is in Hardy-Weinberg equilibrium.
Answer: B
You might also like to view...
Which of the following is a correct pairing of a base to the product of its deamination?
A. thymidine ? uracil B. cytosine ? thymine C. adenine ? xanthine D. guanine ? hypoxanthine E. 5-methylcytosine ? thymine
In plant reproduction, how many eggs form as
a result of meiosis?
a. 1 b. 2 c. 3 d. 4 e. 6
According to the figure, the predominant plant in an open site is roughly ________ cm3 in size
A) larger than 600 B) 200.1-600 C) 5.1-35 D) 0.5-5
Utilitarianism is more concerned with following the code of law than with the outcome of an action.
Indicate whether the statement is true or false.