Who was the individual who proposed the hypothesis of continental drift during the 1920s?
A. Charles Lyell
B. Alfred Wegener
C. Alfred Russel Wallace
D. Charles Darwin
Answer: B
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In which of the following does the onset of symptoms usually occur in individuals after childbearing
age? a. Tay-Sachs b. hemophilia c. Huntington's d. muscular dystrophy e. achondroplasia
Which description applies to a population that's exhibiting exponential growth?
A) It will have growth proportional to the current total. B) It shows a decreased growth rate over time. C) It doubles every year. D) It has as many individuals being born as are dying.
Which characteristic is shared by cnidarians and flatworms?
A) dorsoventrally flattened bodies B) radial symmetry C) a digestive system with a single opening D) a distinct head
Which of the following pairs is mismatched?
A) Basidiomycota — basidiospores B) Ascomycota — conidiospores C) Zygomycota — sporangiospores D) microsporidia — lack mitochondria E) anamorphs — lack spores