A microorganism that has an optimum growth temperature of 37°C, but can survive short exposure to high temperatures is called a(n) ________.
A. thermophile
B. thermoduric microbe
C. facultative psychrophile
D. extremophile
E. psychrophile
Answer: B
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Habituation and sensitization are forms of ____ learning, meaning that they occur in the ____ of a particular outcome, such as a reward or punishment
Fill in the blank with the appropriate word.
The long, thread-like branching cells of molds are called ________.
A. hyphae B. septa C. pseudohyphae D. conidiophores E. asci
Which statement is true about the effect of stress on a population?
a. Plants compete more in an ideal environment. b. Plants compete more in a stressful environment. c. Only abiotic factors influence populations. d. Stressful environments brought about by man do not effect populations. e. Stressful environments brought about by nature do not effect populations.
Approximately how far back in time does the fossil record extend?
a) 3,500,000,000 years b) 5,000,000,000,000 years c) 6,000,000 years d) 3,500,000 years e) 6,000 years