Scientists found that different beak shapes correlate with different mating songs in Darwin's finches. Which hypothesis does this support?
A. Darwin's finches are not different species according to the biological species concept.
B. Adaptation to different food sources likely occurred after reproductive isolation in Darwin's finches.
C. Mating songs are primarily determined by the acoustics of different beaks.
D. Adaptation to different food sources led to behavioral isolation in Darwin's finches.
Answer: D
You might also like to view...
The release of DDT into the environment to control
some insect pests results in the highest detectable concentrations a. at the beginning of the food chain. b. in the targeted insect pest. c. close by rivers and lakes. d. at the top of the food chain. e. in the targeted ecosystem.
Compare and contrast the following terms: homology and homoplasy. Provide two examples for each. What will be an ideal response?
The main nitrogenous waste of freshwater fishes is:
a. ammonia. b. urea. c. uric acid. d. amino acids. e. purines.
The strand of the DNA molecule that is transcribed is called the ________ strand
Fill in the blank(s) with correct word