Adult sea turtles are primarily threatened by
A) polluted ocean waters.
B) beach development.
C) beach development and hunting.
D) hunting.
E) beach development, hunting, and polluted ocean waters.
C
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Why would you have bothered to spend 10 years looking for a fossil ancestor of your new species?
A. to calibrate the time scale of your phylogeny that is based on molecular/anatomical data. B. to reconstruct the environment, and possible selective pressures, on these lineages. C. to better understand anatomical changes that occurred during the evolution of this lineage. D. None of a-c are correct. E. All of a-c are correct.
Which of the following groups consists primarily of anaerobic organisms that cause disease?
a. Excavates b. Dinoflagellates c. Archaeplastida d. Diatoms e. Ciliates
If a trait is X-linked recessive, who would express the trait?
A) females homozygous for the dominant allele and males hemizygous for the recessive allele B) heterozygous females and males hemizygous for the dominant allele C) females homozygous for the recessive allele and males hemizygous for the recessive allele D) females homozygous for the recessive allele and males hemizygous for the dominant allele E) the same proportions of females and males
A 21-year-old male is admitted to the hospital in severe respiratory distress. Despite care, he died of rapid pulmonary edema within 12 hours of admission. Family members report that he had recently started work at a nearby state park. He was on a detail
to clean out and renovate a group of rodent-infested rental cabins. Based on the information, what is the likely diagnosis? A) hanta pulmonary syndrome B) human parainfluenza virus infection C) influenza H1N1 D) SARS E) respiratory syncytial virus