Which group includes the bread mould Rhizopus?
a. Chytridiomycota
b. Zygomycota
c. Basidiomycota
d. Ascomycota
Ans: b. Zygomycota
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The amniotic egg was a key adaptation allowing vertebrates to make the transition to life on land where diffusion to/from a watery environment could not allow a developing embryo to meet its metabolic needs
Its three membranes are the _____, which surrounds the embryo in a watery sac; the _____, which sequesters metabolic waste away from the developing embryo; and the _____, which surrounds the embryo and other sacs. A. amnion; chorion; allantois B. chorion; amnion; allantois C. chorion; allantois; amnion D. amnion; allantois; chorion E. allantois; chorion; amnion
Which of the following gives the most accurate measure of relative economic prosperity?
A) purchasing power parity B) GDP per capita C) GNP per capita D) national income
Seawater typically is ____
a. highly basic b. neutral c. somewhat basic d. somewhat acidic e. highly basic
Which of the following statements is true?
a. Gene mutations occur independently of each other. b. Gene mutations are relatively rare. c. Ionizing radiation causes chromosomal damage and free radical formation. d. Mutations are random; that is, it is impossible to predict exactly when a specific gene will mutate, but an expected frequency can be assigned. e. All of these are true.