At the start of a study, 200 spotted owls lived in an old-growth forest patch in western Oregon. During the next year, a biologist tracking the birds observed that 25 new birds hatched and 5 died. What was the growth rate (r) for this year?
A) 25 B) 5 C) 20 D) 0.1 E) 200
D
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Fats composed of fatty acids that have double bonds in the fatty acids and have fewer than the maximum number of hydrogen atoms are:
A. made of glycerol plus two fatty acids B. liquids at room temperature C. saturated D. solid at room temperature E. generally found in animal fats
Dr. Jane Doe is investigating how robins navigate during their yearly migration. Which of the following would NOT be a component of a scientific inquiry into this question?
A. Ignoring/discarding results that disagree with her favored hypothesis. B. Proposing one or more potential mechanisms of navigation. C. Exploring the current scientific literature on avian migration. D. Designing an experiment to test one of her proposed mechanisms.
Artificial electrical stimulation of a human's menthol-sensitive neurons would likely produce the sensation of _____
A) cold temperature B) hot temperature C) odor of pepper D) deep pressure
Which of the following is an incorrect pairing?
A) electrolytes; anions B) synthesis; endothermic C) hydrolysis; hydrogen bonds D) catabolism; exothermic E) dehydration; anabolism