Select the most appropriate choice for each person.
A. Lyell
B. Cuvier
C. Lamarck
D. Darwin
E. Malthus
F. Aristotle
A. a proponent of uniformitarianism
B. developed the theory of catastrophism
C. believed that giraffes have long necks because their short-necked ancestors stretched their necks and passed this change onto their offspring
D. was a naturalist who sailed on the _Beagle_ and studied finches
E. wrote an essay relating population size to competition for limited resources
F. natural historian and author; formed early ideas of the great chain of being
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Which of the following creates pluripotent stem cells without the need to destroy an embryo?
A) embryonic stem cell removal from unused embryos at fertility clinics B) retrieval of stem cells from umbilical cord blood C) retrieval of stem cells from adult bone marrow D) induced pluripotent stem cells
In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. If the population is in
genetic equilibrium for this allele, what fraction of the population would be carriers for the allele (heterozygous individuals)? a. 0.24 b. 0.32 c. 0.42 d. 0.48 e. 0.80
Which of the following structures is NEVER present in a prokaryotic cell?
A. ribosome B. cell wall C. flagella D. membrane-bound nucleus E. inclusion bodies
Use the following dataset to answer the following question.FirmYear# of EmployeesSalesProfitsJim's Auto201423$741,000$52,000Mechanic Zone201415$510,000-$72,000Jim's Auto201531$1,081,050$101,000Mechanic Zone201527$811,000$28,000What is the unit of observation?
A. Firm B. Firm-Year C. Year D. Year-Profits