In which major taxonomic group of Archaea are the methanogens found?
a. Crenarchaeota
b. Korarchaeota
c. Nanoarchaeota
d. Euryarchaeota
Ans: d. Euryarchaeota
Biology & Microbiology
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__________ and __________ maintain water and
solute concentrations inside both plants and animals. Fill in the blank(s) with the appropriate word(s).
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What is one way biologists determine the life stage of birds?
A) counting otoliths B) plumage C) examining the gap in wing bones D) tooth shape
Biology & Microbiology
Which plant tissue is the least specialized and most common of all plant cell types?
A. parenchyma B. meristems C. sclerenchyma D. periderm E. collenchyma
Biology & Microbiology
The space between the lens and iris is
a. the posterior cavity. b. the posterior chamber. c. the anterior chamber. d. none of the above.
Biology & Microbiology