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Test:ACT Science
Scientists studied a species of termites and looked at their foraging habitats across the United States. The termite’s population in a given tree was measured by the level of decomposition within a tree due to the termites eating the bark. The experiment also kept track of the level of shade tolerance for each species of tree. For the species of trees in this experiment, shade tolerance fell into two main categorizes- shade tolerant (ST) and intermediate shade (IS). Lastly, they recorded the average amount of rainfall in that given month for the species location being observed. The chart below summarizes the data. Scientists hypothesized that the level of decomposition would be highest in tree species with a higher average rainfall. In addition, they hypothesized trees allowing more shade would allow for more termites, and in turn more decomposition.
Tsugacanadensis |
Morusrubra |
Pinus strobus |
Acerrubrum |
Arbutus menziesii |
Quercus lobata |
Juniperus scopulorum |
|
Decomposition (inccm) |
2.38 |
3.21 |
1.01 |
.970 |
2.89 |
1.31 |
4.03 |
Shadetolerance |
ST |
ST |
IS |
IS |
ST |
IS |
ST |
Averagerainfall |
47.27 |
50.89 |
43.26 |
41.65 |
46.87 |
44.98 |
52.75 |
| 1. | 基于数据的树species could be described as most favorable for termites? |
Tsuga canadensis
Juniperus scopulorum
Pinus strobus
Quercus lobata
Acer rubrum
