The evidence that one species of finch migrated to a Galàpagos island, and evolved into two species now found on the same island, feeding on different food sources, is an example of speciation.

A. postzygotic
B. prezygotic
C. parapatric
D. allopatric
E. sympatric


E. sympatric

Biology & Microbiology

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Which of the following serves as the "translator" or intermediary between an mRNA codon and an amino acid?

A. rRNA B. snRNA C. tRNA D. siRNA E. snRNPs

Biology & Microbiology

Place the cellular processes responsible for animal development in the correct order: ____

a. induction ? differentiation ? determination b. induction ? determination ? differentiation c. determination ? induction ? differentiation d. determination ? differentiation ? induction e. differentiation ? determination ? induction

Biology & Microbiology

Which term most applies to learned behavior?

a. inborn b. environmentally influenced c. genetically programmed d. instinctive e. inherited

Biology & Microbiology

Which of the following tests do NOT detect an immune response to a virus infection?

A) a viral neutralization test B) a direct immunofluorescent antibody test C) a viral hemagglutination test D) a complement fixation test E) a direct ELISA

Biology & Microbiology