Physiologically, How Does a Kangaroo Rat Conserve Water

question 21

Multiple Choice

Physiologically, how does a kangaroo rat conserve water?

• A) They drink more than most animals.
• B) Their liver is highly efficient at saving water.
• C) Their kidneys are highly efficient at eliminating waste without losing much water.
• D) They are highly efficient at extracting water from their food.
• E) They don't urinate and their feces are very dry.

Understand the necessity and processes of exchange in economies.

Recognize the limitations and challenges of barter systems.

Identify the functions and characteristics of money.

Appreciate the role of specialization and labor division in economic exchange.