The Smiths Recently Adopted Two Unrelated Children,John and Emily

question 170

Multiple Choice

The Smiths recently adopted two unrelated children,John and Emily.Both children were raised in orphanages.Emily was raised in an upscale orphanage with good access to educational materials and programs.John was raised in a more deprived environment.After their adoption,Mrs.Smith,who is a teacher,spends several hours each day with the children,interacting with and reading to them.Which of the following changes might be most expected to see in John's IQ and Emily's IQ as a result of living with the Smiths?

• A) Neither John nor Emily will show increases on IQ tests.
• B) Both John and Emily will show increases on IQ tests.
• C) Emily will show an increase on IQ tests,but John will not.
• D) John will show an increase on IQ tests,but Emily will not.

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Definitions:

Thermal Stratification

The layering of water in a lake or ocean, based on temperature variations with depth, which can affect aquatic life and water quality.

Spring Turnovers

Spring turnovers are the annual mixing of water in lakes and ponds, resulting from temperature changes that cause layers of water to mix, refreshing nutrients and oxygen levels.

Fall Turnovers

The annual mixing of lake waters driven by temperature changes, encouraging nutrient redistribution and oxygen circulation.

Aquatic Organisms

Living beings that inhabit water environments, ranging from freshwater to marine ecosystems.