Which of the following statements is correct?
A. Achaea are part of the same domain as bacteria in the classification of life.
B. Archaea are typically multicellular organisms.
C. Archaea are older organisms than eukaryotes.
D. Archaea are made up of eukaryotic cells.
Answer: C
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Turbidity currents are thought to have contributed to the formation of the:
a. Hudson River Canyon. b. Chesapeake Bay. c. Galveston Bay Canyon. d. San Francisco Bay. e. Scripps Submarine Canyon.
In lineages that moved onto land, gills were replaced by lungs; kidneys became better at conserving __________, and
the circulatory system became more efficient. Fill in the blank(s) with the appropriate word(s).
The splitting of water produces three products. Name and discuss the role of each. What will be an ideal response?
Four of the five actions listed below are true of
testosterone. Select the exception. a. promotes secondary sex characteristics b. influences sexual behavior c. necessary for growth and function of male reproductive tract d. stimulates spermatogenesis e. produced by spermatogonia cells