Which radical idea did Cuvier propose based on his studies of Earth’s history??
a. extinction of species
b. evolution of species
c. Earth as billions of years old
d. an unchanging Earth
e. static species composition
Ans: a. extinction of species
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Which of the following statements about source isolation is false?
A) Air entering the room is passed through HEPA filters. B) The room is under negative air pressure. C) Source isolation is appropriate for patients with tuberculosis, influenza, or chickenpox. D) Transmission-based precautions will be necessary.
Which of the following elements may have
been the ancestors of cellular life?
a. circular RNA b. prokaryotic cells c. pseudocells d. lipid globules e. protocells
The human axial skeleton includes all of the following EXCEPT the
a. skull. b. ribs. c. pectoral girdle. d. sternum. e. vertebral column.
Describe alternation of generations. Include in your discussion the following terms: gametophyte,
sporophyte, diploid, haploid, dominant form, meiosis, and fertilization. What will be an ideal response?