In studying the medium ground finch on Daphne Major, the Grants noted that each generation of finches had beaks
A. larger than those of the previous generation.
B. smaller than those of the previous generation.
C. best suited for their current environment.
D. best suited for their parents' environment.
Answer: D
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You are working with a newly described microorganism that has flagella that are solid, 10 nm in diameter, and composed of more than one type of flagellin subunit. Based on the type of flagella, which type of organism is this?
A. Archaea B. Bacteria C. Algae D. Protozoa
Where in a flowering plant should you expect meiosis to occur?
a. leaves b. roots and leaves c. flowers d. flowers, roots, and leaves e. roots
The region of the human brain is that is critically important for monitoring and controlling movements is the
A. cerebral cortex. B. hypothalamus. C. cerebellum. D. basal nuclei. E. medulla oblongata.
Given the distribution of the 30 or so animal phyla across the Earth's various ecosystems, what would be the most likely habitat for the origin of animals?
A. Oceans B. Rain forests C. Temperate grassland D. Deserts E. Freshwater habitats