The Gap Between the Very Rich and the Rest of the Population

question 21

Multiple Choice

The gap between the very rich and the rest of the population can best be described as follows:

• A) The gini index of inequality has decreased during the past 20 years.
• B) The gini index of inequality has increased during the past 20 years.
• C) The top wealthholders have seen their share of the total wealth decline during the past 20 years.
• D) There are fewer poor people today than 20 years ago.

Understand the basic structure and functions of different components of flowers and plants.

Identify the major events in the evolutionary history of plants.

Describe the adaptations of nonvascular plants to terrestrial life.

Recognize the derived features that distinguish land plants from their aquatic ancestors.

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Definitions:

Infrared

Electromagnetic radiation with wavelengths longer than those of visible light but shorter than those of microwaves, used in various technologies including remote controls and thermal imaging.

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Synaptic Pruning

The process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.

Myelinated

Refers to nerve fibers that are coated with myelin, a substance that speeds up the transmission of nerve impulses.