Unit 3 Quiz - Practice

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Jan 9, 2024

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Question 1 If you are interested in the following question, what would you designate as your independent variable in a study designed to test for this effect? "Is the thermal tolerance of beetles affected by the elevation where their habitat is located?" thermal tolerance beetles elevation habitat Question 2 Which of these methods do ecologists try NOT to use? Observations Theory and modeling Natural experiments Guesswork Manipulative experiments Question 3 What is a natural experiment? An experiment that nature has done for you: it involves comparing sites or comparing times that differ in a key variable. An "experiment" that you run on the computer, using mathematical equations. A manipulative experiment that is done in nature. Question 4 What would be your unit of replication for the following study?
"I reared beetles in cages placed at several different locations that varied in elevation, and measured their body size under each condition" elevation body size a beetle Question 5 Which statement about how the practice of ecology is TRUE? It's always best to address an ecological question using a single method. It's always best to test an ecological hypothesis by making and testing a single prediction. Both a and b are true. Neither a nor b is true.
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