Lab 2 Scientific Assessment 24

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Danville Community College *

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101

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Biology

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Jun 12, 2024

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docx

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BIO 101 Lab 2 Assessment Fall 2021 BIO 101 - Lab 2 Assessment: The Scientific Method Answer the following questions. Your task is to design an experiment to test the effect of pesticides on the Virginia big-eared bat foraging efficiency. You will not be conducting this research in real life, but it is important to consider all the aspects of a research experiment. You have a nearly unlimited budget and a team of dedicated technicians to assist you. Describe the experiment by responding to the questions below in complete sentences . 1. What is a scientific hypothesis ? [5 Points] A hypothesis is a proposed explanation or an educated guess for a particular phenomenon. It is a tentative statement that can be tested further through observation, experimentation, or research to determine its validity. A good hypothesis is based on prior knowledge and is both testable and falsifiable. 2. What is the most important feature of a scientific hypothesis? [5 Points] The most important feature of a scientific hypothesis is that it must be testable. 3. What is the difference, if any, between a theory and a hypothesis? [5 Points] A theory is a well-tested explanation that unifies a broad range of observations. A hypothesis is a guess or estimate of what will happen. 1
BIO 101 Lab 2 Assessment Fall 2021 4. Why is it important to replicate an experiment? [5 Points] Replicating an experiment validates scientific findings. 5. What is the hypothesis of your proposed experiment? Remember to write it as a statement, not as a question. [10 Points] The use of pesticides is affecting the foraging efficiency of big-eared bats in Virginia. 6. Describe the control group in your experiment, including the number of experimental subjects. (Keep in mind your answer to question 4.) [12 Points] The variable that is not being tested is the control group in this experiment, which does not include the big-eared bats. 2
BIO 101 Lab 2 Assessment Fall 2021 7. Describe the experimental group in your experiment, including the number of subjects. (Again, keep in mind your answer to question 4.) How will the experimental group be treated differently from the control group? [12 Points] In this experiment, I aim to investigate the impact of major pesticides on big-eared bats. The experimental group will consist of these bats, known for their crucial role in pollination and insect control. The study will help us understand how these pesticides affect the bats' behavior, feeding patterns, and overall health. By analyzing the results, we hope to gain insights into how we can better protect bat populations and the ecosystems they inhabit. 8. What is the independent variable (IV) in this experiment? (i.e., what are you testing the effect of…what is being controlled/changed?) [12 Points] The pesticides. 9. List one or more relevant dependent (response) variable(s) (DV). Be specific, including an indication of how you will measure each DV. (i.e., what are you measuring/recording for your hypothesis) [12 Points] 3
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