What Evidence Did Herczeg, Gonda, and Merilä (2009) Use to Suggest

question 15

Multiple Choice

What evidence did Herczeg, Gonda, and Merilä (2009) use to suggest that sticklebacks suffer a cost of sociality?

• A) Fish raised in groups took longer to find food.
• B) Fish raised in groups suffered higher incidence of disease.
• C) Fish in groups had lower growth rates than fish raised alone.
• D) Fish in groups experienced a higher cost of movement.
• E) Fish in groups had a more restricted diet than did solitary fish.

Understand the mechanics and implications of occupational segregation.

Be familiar with income equality measures, including the Lorenz curve and Gini coefficient.

Analyze the relationship between income inequality, economic efficiency, and social welfare.

Recognize the role of skills, abilities, and discrimination in creating income disparities.

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Definitions:

Neurons

The basic working units of the brain, specialized cells that transmit information through electrical and chemical signals.

Axon terminals

The endings of axons, responsible for transmitting signals through neurotransmitters to other neurons or muscles.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Enzymes

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.