Consider an animal that exchanges gases through its skin. Which of the following body shapes would provide the most surface area for gas exchange?
A) a flat rectangle with sides measuring 3 inches and 4 inches
B) a flat square with sides measuring 2 inches each
C) a flat rectangle with sides measuring 2 inches and 9 inches
D) a flat square with sides measuring 4 inches each
Answer: C
Biology & Microbiology
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Well-developed vascular systems are absent in all of the following except
A. mosses. B. liverworts. C. hornworts. D. Charophytes. E. Pterophytes.
Biology & Microbiology
What conditions are likely to apply if the progeny from the cross AaBb × AaBb appear in the 9:3:3:1 ratio?
What will be an ideal response?
Biology & Microbiology
__________ is the breakdown of body fat to create usable forms of energy.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Species level is more inclusive than order.
a. true b. false
Biology & Microbiology