The finches of the Galápagos islands evolved as a result of what type(s) of speciation?

A. allopatric speciation
B. adaptive radiation
C. sympatric speciation
D. both allopatric speciation and adaptive radiation
E. both sympatric speciation and adaptive radiation


Ans: D. both allopatric speciation and adaptive radiation

Biology & Microbiology

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Which one of the following statements points out a significant limitation to the analogy between genetic programs and computer programs?

A. Computer programs exhibit a greater degree of complexity than genetic programs. B. Genetic programs have a simpler code than computer programs because there are only four bases. C. Computer programs are more likely to experience a crash than genetic programs. D. Genetic programs evolve, whereas computer programs do not. E. Computer programs are a commercial product.

Biology & Microbiology

How many distinct phenotypes exist for a trait controlled by three additive loci?

a. 3 b. 7 c. 8 d. 9 e. 11

Biology & Microbiology

The long neck of a giraffe has developed over a long period of time because giraffes have needed to stretch their necks to reach food high in trees, and that quality has been passed on through the generations. This view of evolution would correspond with

the ideas of: A) Charles Lyell. B) Georges Cuvier. C) Alfred Russel Wallace. D) Jean-Baptiste de Lamarck.

Biology & Microbiology

Which molecule is believed to have preceded the other two during the evolution of life?

A. DNA B. RNA C. Proteins

Biology & Microbiology