Even though nineteenth-century scientists came to accept the fact of evolution, what was required for natural selection to be accepted as the driving force of evolution?
A) the realization that Jean-Baptiste de Lamarck's theory was correct
B) the development of a better understanding of the blending process of inheritance
C) the development of more sophisticated tools for dating fossils
D) the development of modern genetics
Answer: D
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After using jelly on a sandwich, you close the jar and place it on a room temperature shelf instead of in the refrigerator. When you open the jar several weeks later, you notice microbial growth on the surface. What type of organism is likely to grow in this environment?
A. Bacteria B. Virus C. Fungus D. Protozoa
Pattern baldness is a trait that is referred to as sexa
linked. b. related. c. retarded. d. influenced. e. matched.
Which of the following pairings of organisms and their method of obtaining nutrients is incorrect?
A. herbivores - algae B. autotrophs - chemosynthesis C. carnivores - other animals D. detritivores - inorganic matter
Carbon dating is a common method employed in dating certain kinds of fossils. It is based on the radioactive decay of an isotope of carbon (C14). Referring to the atomic number of carbon attained from the periodic table, how many neutrons does C14 have?
A. 2 B. 12 C. 4 D. 14 E. 8