A/an _______________ Is Composed of the Physical Environment and the Organisms

question 82

Multiple Choice

A/an _______________ is composed of the physical environment and the organisms living within it;an important part of this environment for humans is _______________.

• A)subsistence economy/tools
• B)ecosystem/culture
• C)adaptation system/technology
• D)culture/society
• E)culture area/subsistence economy

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Definitions:

ANOVA

Analysis of Variance, a statistical method used to compare the means of three or more samples to determine if at least one of the means is significantly different from the others.

T Test

A statistical test used to determine if there is a significant difference between the means of two groups.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on the dependent variable.

Grade Level

A measure of the schooling year that an individual is in, often used in educational settings to categorize students.