The Use of Bird Feathers for Flight Is an Example

question 67

Short Answer

The use of bird feathers for flight is an example of ________________ which contrasts to adaptation of the feather for its primary evolutionary role,thermoregulation.

---

Definitions:

Consumption Function

An economic formula representing the relationship between total consumption and gross national income, indicating how changes in income affect spending.

Saving

The portion of income not spent on current expenditures or consumption, often put aside for future use or investment.

Disposable Income

The amount of money a household has available for spending and saving after income taxes have been accounted for.

Consumption Function

A macroeconomic concept that describes the relationship between total consumption and gross national income.