Relationships Among Events, Objects, and Processes
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Which of the following statements is true about understanding magnitude when describing relationships?
The magnitude of the number represents the strength of the correlation.
A study draws the conclusion that obesity is a significant cause of Type 2 diabetes. Which of the following experimental parameters would not build confidence that such a cause and effect relationship is likely true?
Use of a small sample size.
During a study, scientists noted that people with more self-esteem tend to not be depressed and vice versa. Which of the following types of relationships did they observe?
A correlation.
Which of the following is the most plausible sequence of events?
Born into musical family; grows up around music; starts learning guitar; plays concert.
Dandelions → Snail → Frog → Bird → Fox Using the food chain above, which of the following terms best describes the trophic level of frogs?
Secondary consumer.
Steps involved in natural selection include: • Differing survival rates when faced with environmental challenges. • Preservation of genetic traits of best-adapted offspring. • Overproduction of offspring that have different variations in genetic traits. Which of the following is the sequence in which these steps take place?
3, 1, 2
A nurse has to give a patient a tablet drug. Which of the following are the best units to use when writing in the chart how much of the drug was delivered?
mg of drug/kg of patient’s body weight.
Which is the most appropriate unit to measure the weight of groceries in a store?
Kilograms.
Which of the following are likely the causes of diabetes type 2?
Lack of exercise, unhealthy food choices, obesity.