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A Nutrition Researcher Would Like to Determine Whether Healthy Women

question 37

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A nutrition researcher would like to determine whether healthy women who take fish oil supplements during pregnancy give birth to children who score higher on basic intelligence tests when they are 5 years of age.The scientist plans to compare the IQ test results of this group of children with the test results of a group of 5-year-old children with similar backgrounds whose mothers were healthy but did not take fish oil supplements when pregnant.This kind of research is a _____ study.


Definitions:

Environmental Resistance

Total of factors in the environment that limit the numerical increase of a population in a particular region.

Carrying Capacity

The maximum population size of a species that an environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.

Exponential Growth

Growth, particularly of a population, in which the increase occurs in the same manner as compound interest.

Lag Phase

The initial period of slow growth or inactivity that occurs after bacteria are introduced to a new environment or nutrient medium.

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