Blood agar plates are an example of ________ medium
A) differential
B) selective
C) reducing
D) defined
E) transport
A
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An chemical reaction that requires an input of energy in order to proceed is ________.
A. endergonic B. impossible C. exergonic D. None of the choices are correct.
Atrazine
a. is an herbicide that has been in use for more than 40 years. b. application in the United States totals about 76 million pounds annually. c. is used mostly to kill weeds in cornfields d. contamination of soils and water is common in the American Midwest. e. fits all of these descriptions.
________ competition results when individuals of one species inhibit individuals of another by using up a shared resource
Fill in the blank(s) with correct word
Which of the following would be an example of sexual selection?
A. a sex ratio of 5 females to 1 male B. females avoid aggressive males C. male deer with poor eyesight are more often killed by accidents D. well-nourished females produce more offspring