Chapter 01 Applied Content Quiz – Flashcards
Unlock all answers in this set
Unlock answersquestion
How does discovery science compare to hypothesis-driven science?
answer
Discovery science depends on verifiable observations and measurements but does not require formal hypothesis testing.
question
Which of these is an ecosystem?
answer
Lake Erie and everything living in it
question
Scientific method: Developing a hypothesis
answer
...
question
Experimental design: Identifying variables
Hunt and her team designed an experiment to test her hypothesis about the effect of BPA on mice. They administered daily doses of BPA to groups of female mice over three, five, or seven days and then tested these mice for genetic abnormalities that occur during meiosis, the division of chromosomes during egg formation.
answer
Dosage 0 ng/g BPA
control
Dosage 20 ng/g BPA
treatment
Dosage 40 ng/g BPA
treatment
Dosage 100 ng/g BPA
treatment
1. Dosage of BPA administered is a(n) independent variable.
2. The length of time over which mice were exposed to BPA is a(n) independent variable.
3. The percentage of mice displaying genetic abnormalities is the dependent variable.
question
Types of experiments: Natural and manipulative
answer
1. Natural
2. Natural
3. Natural
4. Manipulative
5. Manipulative
6. Manipulative
7. Natural
question
After you chew your food, what is the saliva-covered mass that remains?
answer
bolus
question
You are a doctor studying the effects of Parkinson's disease on swallowing food. Which of the following are you researching?
answer
dysphagia
question
You suffer from a disorder in which food often goes down your windpipe instead of your esophagus. Which of the following is not working properly?
answer
larynx
question
Who is most likely to experience nasal regurgitation?
answer
young child
question
You grab a celery stick from your refrigerator only to find that it is limp and flimsy. Which of the following has broken down?
answer
cell walls
question
Can you label this diagram showing how nutrients and energy flow in an ecosystem?
answer
a. sunlight
b. producers
c. chemical energy
d. consumers
e. heat
f. CO2
g. 02
question
Which of these scenarios is the result of natural selection?
answer
the proliferation of pesticide-resistant insects
question
What mechanism explains why polar bears are white and bears found farther south have a darker color?
answer
natural selection
question
On a scale of 0 to 6, where 6 is the most trustworthy, how would you rate this site? (Note that all responses will be marked as "correct" at this point.)
answer
5-6 (very trustworthy)
question
Listen to the podcast again. Who is being interviewed?
answer
a researcher from the National Centers for Disease Control and Prevention
question
What seems to be the purpose of the interview?
answer
to inform the public about brain injuries
question
What kind of evidence is cited on the traumatic brain injury information page? Select all that apply.
answer
hospital statistics
medical research
question
Is the information provided by these sites consistent with what you found on the CDC web site?
answer
Yes, the information on causes and symptoms of brain injuries is consistent.
question
Assign a numerical score for each category. Then add up the total score. (The highest possible score is 6; the lowest is 0.) In what range does this source fall?
answer
5 to 6
question
Most plants are __________.
answer
producers
question
Imagine a manmade object that can assemble identical copies of itself, process energy, and adjust its internal environment to external changes. Is this hypothetical object an example of life?
answer
Not necessarily, because, although it exhibits most of the properties of living organisms, it does not exhibit all seven of the properties of life.
question
Which of the following best describes the culture of science and how scientists work?
answer
Scientists commonly repeat other scientists' experiments to verify their work.
