The Aphotic Zone of a Lake Is Inhabited Primarily by Phytoplankton

question 45

True/False

The aphotic zone of a lake is inhabited primarily by phytoplankton.

---

Definitions:

Physical Examination

A comprehensive assessment by a healthcare provider to evaluate the body for signs of disease or medical conditions.

Price Floor

A government- or group-imposed price control or limit on how low a price can be charged for a product, service, or commodity.

Pounds

A unit of weight commonly used in the United States and the British imperial system, equal to 0.453592 kilograms.

Producer Surplus

The difference between the amount that producers are willing and able to sell a good for and the actual amount they receive.