For a carbon source, chemoorganotrophs generally use compounds such as
A) acetate, succinate, and glucose.
B) bicarbonate and carbon dioxide.
C) nitrate and nitrite.
D) acetate, bicarbonate, and nitrate.
Answer: A
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Indicate whether the statement is true or false.
Which of the following organisms is not an
arachnid?
a. spider b. scorpion c. tick d. ant e. mite
What important role do fungi play in many ecosystems?
A) They decompose organic material. B) They pollinate plants. C) They disperse the fruits of angiosperms. D) They perform photosynthesis.
The eyes of a planarian provide
A) three-dimensional images, but in black and white. B) two-dimensional images. C) a higher degree of resolution than human eyes. D) information about light intensity and direction.