The Digestive System Contributes to the Success of Birds as Flying

question 11

Multiple Choice

The digestive system contributes to the success of birds as flying animals because

• A)it is long.
• B)the crop can store huge quantities of food.
• C)it digests food quickly.
• D)it is penetrated by air sacs.
• E)it has a high sense of taste to reject toxic foods.

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Definitions:

Unemployment Rate

The segment of the labor force that is currently without work yet actively seeking employment opportunities.

Job Seeker

An individual actively looking for employment or aiming to secure a new job.

Discouraged Workers

Individuals who would like to work but have given up looking for a job.

Marginally Attached Workers

Individuals who are not in the labor force, want and are available for work, and have looked for a job sometime in the past 12 months but not in the four weeks preceding the survey.