Moisture and concentration of oxygen
A) are parts of an organism's environment.
B) have no effect on the physiology of an organism.
C) are biological conditions that impact an organism's survival.
D) do not vary in the environment.
A
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Similar to single-gene traits, traits determined by multiple genes also show the expected 3:1 ratio of phenotypes in the progeny between two heterozygotes
A. true B. false
Concerning growth in genome size over evolutionary time, which of these is LEAST associated with the others?
A) orthologous genes B) gene duplications C) paralogous genes D) gene families
Bats are a healthy carrier for which of the following diseases?
A. influenza B. SARS C. West Nile virus D. hantavirus E. AIDS
The three phylogenetic trees shown here all contain the same members and all have a common ancestor, but are divided up in three different ways. Which tree has members circled that are of more than one evolutionary line and does not include the most recent common ancestor of the included lineages? What type of group is this? 
A. Tree 2; polyphyletic. B. Tree 1; monophyletic. C. Tree 3; polyphyletic. D. Tree 2; paraphyletic. E. Tree 3; monophyletic.