The size and shape of a finch's beak correlates with its ________.

A. size
B. choice of food
C. choice of mates
D. habitat


Answer: B

Biology & Microbiology

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The causative agent of dengue fever is

A) Rickettsia prowazekii. B) a flavivirus. C) Borrelia burgdorferi. D) Clostridium perfringens.

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Three populations of an organism, each with drastically different external markings, but still members of the same species, would be called _______

A. homologs B. mutants C. communities D. alleles E. morphs

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Microbial ecologists seek to understand how microbes drive and respond to the biogeochemical cycles that are essential for life on Earth. However, at this time it is only possible to make any concrete connections, identifications, or measurements about the abiotic flux of nutrients rather than the interactions between microbes that make these fluxes possible.

Answer the following statement true (T) or false (F)

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You have a freshly prepared 0.1 M glucose solution. Each liter of this solution contains how many glucose molecules?

A) 6.02 × 1023 B) 3.01 × 1023 C) 6.02 × 1024 D) 6.02 × 1022

Biology & Microbiology