Similar orders are placed in the same class
__________________ Indicate whether the statement is true or false.
True
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The main effect of burning peat, wood, coal, and petroleum on the Earth's climate is:
A. The fires significantly heat the air and cause a rise in global temperature. B. The smoke blocks sunlight from reaching the Earth and causes a significant lowering of the Earth's temperature. C. The fires release back into the atmosphere carbon dioxide that was once taken from the atmosphere by plants and stored in their own tissues; the increased carbon dioxide holds in solar heat and causes a rise in temperature. D. The rising heat from fires produces wind that cools the surface of the Earth. E. The fires use up oxygen that would otherwise block penetration of ultraviolet light from reaching the Earth; the increased ultraviolet radiation heats the Earth.
The alkaloids contained in the nectar of the pitcher plant serve to
a. attract insects. b. attract microbes. c. collect water. d. disable insects
Prokaryotes that are curved and comma-like are called
a. cocci. b. bacilli. c. vibrios. d. spirilla. e. sarcina.
Inbreeding is defined as
A) reproduction within a geographically isolated population. B) sexual population among unrelated individuals. C) reproduction among unrelated individuals. D) sexual reproduction in a large population. E) sexual reproduction among closely related individuals.