Nt1330 Unit 3

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Lab 3 – Biodiversity
Demonstration 1: Interdependence of Species
Table 1: Interdependence of Species Results
Species Missing (Bead Color and Name)
Blue (Humans)
White (Lichen)
Yellow (Bees)
Red (Flowers)


1. Explain how the ecosystem was affected by the missing species for each round of the demonstration.

a. Round 1 = Humans are the biggest cause in the decline of our neighbored species and the ecosystem would be better affected if Human interference was nonexistent.
b. Round 2 = Lichen provides and abundance of absorption and protection for humans and climates and without lichen we wouldn’t have the oxygen to survive.
c. Round 3 = Bees are the source of pollination and without that trees, plants and humans wouldn’t not be able to properly nourish their bodies.
d. Round 4 = Flowers are the source of survival for bees, trees, and humans.

2. Provide one action we as humans engage in that leads to the extinction of each of these components.

Action affecting Lichens = The pollution of the air is a major factor because lichen soaks every particle in their direction, which includes air pollution.
Action affecting Trees = The constant destruction of trees is the one and only factor.
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I would determine that the ecosystem would be healthy if a pot was a sample found in a group of wildflowers because the body of the plants took on a healthier form than the shaded plants. The shaded plants had a quicker stem of growth but they didn’t “bloom” as appropriately as they did when they had natural light. The shaded plants lacked nutrients that are only developed through sunlight. In article called, Ask a Master Gardener, the author states, “Sunlight should be carefully considered when selecting plants for your garden. All plants need sunlight to photosynthesize…the process by which light, chlorophyll, energy, carbon dioxide and water interact within the plant to produce the sugar it needs to survive”(Blakely,

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