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Despite the high-level of biodiversity, this biome has infertile soils, principally Oxisols, to which the vegetation has adapted roots systems to capture nutrients from litter decay at the soil surface.
Kai Erikson
A sociologist who is known for his studies on collective behavior, disasters, and the social construction of deviance.
Experimental Group
The members of a test group who receive the experimental treatment.
Control Group
The members of a test group who are allowed to continue without intervention so that they can be compared with the experimental group.
Independent Variable
A variable in scientific experiments that is manipulated or changed to observe its effects on a dependent variable.
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