Why do mosses grow well in the Arctic tundra?
a) They grow better at cold temperatures.
b) They do not require moisture.
c) They do not have true roots and can grow on hard surfaces.
d) There are no herbivores in the tundra.
Ans: c) They do not have true roots and can grow on hard surfaces.
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You look into a powerful microscope and see a
single-celled organism that is very small, has a cell wall, and no nucleus. You conclude that this organism belongs to the domain,
a. Eukarya. b. Eukarya or Archaea. c. Archaea. d. Bacteria. e. Arachea or Bacteria
Which of the following is a benefit of a regular strength training program?
What will be an ideal response?
Which of the following statements about poliovirus and SARS virus is TRUE?
a. Both have a VPg protein that facilitates replication. b. Both form polyproteins that undergo post-translational cleavage. c. Both have 30-kilobase genomes. d. Both have single-stranded plus-sense RNA genomes.