A biome characterized by hot days, cold nights, and cacti is the
A. tropical rain forest.
B. tundra.
C. desert.
D. taiga.
Answer: C
Biology & Microbiology
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Which of the following produce organic acids that may contribute to weathering of rocks?
A. arctic plants B. water plants C. aerial plants D. lichens E. mosses
Biology & Microbiology
The type of skeleton that consists of fluid constrained within a layer of flexible tissue is a(n)
A. vascular canal. B. endoskeleton. C. gastrovascular cavity. D. exoskeleton. E. hydrostatic skeleton.
Biology & Microbiology
Glyptodonts are fossil forms that resemble ____
a. ostriches b. armadillos c. kangaroos d. turtles e. sloths
Biology & Microbiology
Which of the following restriction enzyme sites would produce blunt-ended fragments? (The arrow represents the cutting site of the enzyme.)
A. C?CGG B. G?GATCC C. G?AATTC D. CCC?GGG E. A?AGCTT
Biology & Microbiology