NASA Scientists send a small population of dogs to a new planet in order to test if it will be hospitable for human colonization. Through a random lottery, only Great Dane and St. Bernard dog breeds are sent, and the resulting population consists of tall, longhaired dogs. After 100 years these dogs return to Earth and are no longer able to mate with Earth dogs. This scenario is an example of
A. sympatric speciation through genetic drift.
B. sympatric speciation through natural selection.
C. allopatric speciation through genetic drift.
D. allopatric speciation through natural selection.
Answer: C
You might also like to view...
Chloroplasts utilize light energy to make ____
a. carbohydrates b. fats c. proteins d. nucleic acids e. steroids
Your body converts excess carbohydrates and proteins to fats. _____ specializes in storing the fats
a. Epithelial tissue b. Dense connective tissue c. Adipose tissue d. Both dense connective tissue and adipose tissue
An Arabidopsis plant that contains a mutant mp gene would most likely:a
lack roots. b. develop into callus. c. produce buds but not leaves. d. produce flowers but not fruits. e. lack a stem.
Which of the following is a fire-maintained climax that gives way to oak woodland when fire is suppressed?
A) arctic tundra B) chaparral in California C) sugar maple-basswood forest in Wisconsin D) oak-hickory forest in the Piedmont of North Carolina