SCI 207 Week 3 Lab 3 Biodiversity
Read "Lab 3: Biodiversity." This lab will allow you to investigate how various organisms alter their environments. Additionally, it will allow you to assess the health of ecosystems based upon their biodiversity. Then, you will utilize this information and your eScience lab kit to complete Demonstration 1 and Experiment 1 on the Week Three Lab Reporting Form. Make sure to complete all of the following items before submission:
Read through the introductory material.
Perform Demonstration 1: Interdependence of Species using your eScience lab manual and kit.
Complete Table 1 and answer Post Lab Questions 1 through 3 in complete sentences on the Week Three Lab Reporting Form.
Record your hypothesis for Experiment 1 on the Week Three Lab Reporting Form.
Complete Experiment 1: Diversity of Plants using your eScience lab manual and kit.
Complete Table 2 and answer Post Lab Questions 1 through 4 in complete sentences on the Week Three Lab Reporting Form.
Lab 3 – Biodiversity
Demonstration 1: Interdependence of Species
Table 1: Interdependence of Species Results | |
Round | Species Missing (Bead Color and Name) |
1 |
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2 |
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3 |
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4 |
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POST LAB QUESTIONS
1. Explain how the ecosystem was affected by the missing species for each round of the demonstration.
a. Round 1 =
b. Round 2 =
c. Round 3 =
d. Round 4 =
2. Provide one action we as humans engage in that leads to the extinction of each of these components.
Action affecting Lichens =
Action affecting Trees =
Action affecting Flowers =
Action affecting Bees =
3. Provide three specific actions that humans can take to minimize our impact on the ecosystem and ensure the survival of lichens, trees, flowers, and bees.
Action 1 =
Action 2 =
Action 3 =
Experiment 1: Diversity of Plants
Table 2: Number of Each Plant Species Present in Pot 1 and Pot 2 | ||
Species Observed | Number in Pot 1(sunlight) | Number in Pot 2(shade) |
Zinnia |
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Marigold |
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Morning Glory |
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Cosmos |
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Ryegrass |
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Total Number of Species in Pot: |
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POST LAB QUESTIONS
1. Develop a hypothesis on which pot you believe will contain the highest biodiversity.
Hypothesis =
2. Based on the results of your experiment, would you reject or accept the hypothesis that you produced in question 1? Explain how you determined this.
Accept/Reject =
3. Assume each pot represents a sample that you found in a group of wildflowers. Based upon the diversity of flowers present in each pot; would you say that the ecosystem is healthy? Why or why not?
Answer =
4. How does biodiversity contribute to the overall health of an ecosystem? Provide specific examples and utilize at least one scholarly resource to back your answer.
Answer =
References
Any sources utilized should be listed here.
10 years ago
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sci_207_week_3_lab_3_biodiversity.doc
