Lab 3 – Experiment 1: Interdependence of Species
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Table 1: Interdependence of
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Round
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Species Missing (Bead Color and
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1
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2
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3
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4
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Hypothesis:
Post-Lab
Questions
1.
Restate
your hypothesis. Was it confirmed or denied? How do you know?
2.
Indicate
which species was removed during each round of the experiment.
3.
Explain
how the ecosystem was affected by the missing species for each round of the
experiment.
4.
What
actions do we as humans engage in that can lead to extinction of any of these
components?
5.
What
can we do to minimize our impact on the ecosystem?
Lab 3 – Experiment 2: Diversity of Plants
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Table 2: Number of Each Plant
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Species Observed
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Number in Pot 1
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Number in Pot 2
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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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Hypothesis:
Post-Lab
Questions
1.
Restate
your hypothesis. Was it confirmed or denied? How do you know?
2.
How
many different kinds of species did you find in your sample?
3.
Which
species is the most numerous in your sample area? Which is the least numerous?
4.
If
each peat 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?
5.
How
does biodiversity contribute to overall health of an ecosystem?
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