When I say a flower is "purple," what have I described?
A) Its phenotype
B) Its haplotype
C) Its karyotype
D) Its genotype
A
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If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?
A. The species in lower layer died first B. They died at the same time C. The species in the higher layer evolved from the species in the lower layer D. The species in the higher layer died first E. The two species are unrelated
The MOST effective malarial control measure is to interrupt the life cycle of the parasite by eliminating the obligate host, the Anopheles mosquito
Indicate whether the statement is true or false.
What can animals do to maintain an energy balance when food supplies become scarce in winter?
A. All of these answer options are correct. B. hibernate to reduce energy expenditure and conserve energy reserves C. migrate to areas with more abundant food supplies D. migrate to warmer areas E. build up enough of a positive energy balance during summer and fall to sustain them through the winter
If a material mixes readily with water it is identified as _________.
a. dehydrated b. hydrophobic c. hydrophilic d. saturated