What type of variable is measured on a scale with meaningful values or units (such as weight or volume)?
A. Continuous variable
B. Ordinal variable
C. Ranked variable
D. Nominal variable
Answer: A. Continuous variable
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Imagine you were the manager of a national park with cheetahs. The cheetahs feed primarily on gazelles, while the gazelles eat grass. It takes an acre of grassland to feed one gazelle, and it takes ten gazelles to feed one cheetah. How much grassland do you need to support a population of 10 cheetahs?
A. 10 acres B. 200 acres C. 500 acres D. 100 acres
Oomycetes are characterized by all of the following except they
A. produce zoospores asexually. B. are able to reproduce sexually. C. contain motile spores. D. contain two unequal flagella. E. are considered fungi.
Describe how the therapeutic index of a drug is determined and explain its function.
What will be an ideal response?
Whose discovery of streptomycin stimulated an intense search for other antibiotics?
A. Ehrlich B. Waksman C. Pasteur D. Fleming