Lab 3 – Biodiversity
Demonstration 1: Interdependence of Species
Table 1: Interdependence of Species Results
Round Species Missing (Bead Color and Name)
1
2
3
4
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
Marigold
Morning Glory
Cosmos
Ryegrass
Total Number of Species in Pot:
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. If each pot was a sample you found in a group of wildflowers, would you determine based on the diversity of flowers 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.