anonymous
  • anonymous
Imagine that a scientist suggests that the size of an insect population depends on the temperature. What observation MUST this scientist make in order to collect evidence to support his or her hypothesis? A. The scientist must observe the insect population only in winter. B. The scientist must observe the insect population in the laboratory. C. The scientist must observe the insect population in different areas. D. The scientist must observe the insect population throughout the year.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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IsTim
  • IsTim
Well, my answer depends on whether or not such locations have seasons in place. Also, a variety of temperatures are needed, excluding one answer. Different areas might work, if they have different temperatures.
anonymous
  • anonymous
So....... u think its C?
blues
  • blues
What are the dependent and independent variables in this experiment...?

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More answers

anonymous
  • anonymous
IDK. that is all it says
anonymous
  • anonymous
If the scientist wants to test ONLY the effect of temperature on the population, it is only possible to do that (i.e. control the temperature and keep all other factors the same) in one of those environments.
anonymous
  • anonymous
its c
blues
  • blues
No, I'm asking you to interpret the problem. The scientist can observe two variables: insect population and temperature. Which one depends on the other?
anonymous
  • anonymous
I'm pretty sure it is not C.
anonymous
  • anonymous
The insect population depends on the temperature.
blues
  • blues
That is correct. The dependent variable is what the scientist has control over. He can test the relationship between temperature and insect number by varying the dependent variable and seeing what happens to insect number in response. Clear?
anonymous
  • anonymous
But, thats not it.
anonymous
  • anonymous
Lok @ the choices ^
blues
  • blues
Believe me, I am. What about that isn't clear?
blues
  • blues
I don't give answers to people who don't understand what it means and how it was reached. Sorry.
anonymous
  • anonymous
For me i think its D
blues
  • blues
I think that you are right. Well done! :D
anonymous
  • anonymous
I actually think the answer is B. Here's why: If you want to find out what effect temperature might have on an insect population, you need to control for all other variables. This is something that you can only realistically do in the lab. It is always nice to study a creature in its natural environment, but... imagine if, in winter, you saw a drop in the insect population. Could you then conclude that the population dropped because of cold? No! There are many other factors that might have played a role: light levels, food availability, weather, and predation all differ between winter and summer, and without careful controls, you cannot rule any of them out!
anonymous
  • anonymous
its about What observation must this scientist make in order to collect evidence to support his or her hypothesis?

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