Which of the following plants were dominant
in the Carboniferous period?
a. club mosses
b. peat mosses
c. ferns
d. liverworts
e. more than one of these
A
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How is global warming related to the United States' and 7 other countries' presence in the Arctic? a. Global warming has caused oil fields to dry up in temperate zones forcing the search in the Arctic
b. Thawing ice flows is opening shipping lanes and allowing greater access to the Arctic, which these countries are exploiting. c. With global warming, people can work in the Arctic and be comfortable. d. Thanks to global warming, it is now environmentally safe to have an extended hunting season on polar bears.
Capillary walls consist of
a. stratified squamous epithelium. b. simple squamous epithelium. c. simple cuboidal epithelium. d. stratified cuboidal epithelium. e. simple columnar epithelium
Which of the following is part of the apoplast?
A. Cell wall B. Plasma membrane C. Plasmodesma D. Cytoplasm
All of the following are diameters of cells that would be resolved in a microscope with a limit of resolution of 0.2 µm except
A. 0.3 µm. B. 0.2 mm. C. 0.2 µm. D. 2.0 µm. E. 0.1 µm.