This Animal Does Not Have a Brain but Rather Has

question 134

Multiple Choice

This animal does not have a brain but rather has a nerve net of interconnected neurons.This animal is

• A) a planarian.
• B) an earthworm.
• C) a grasshopper.
• D) a sea anemone.
• E) more than one of these.

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Definitions:

Inferior Good

A type of good whose demand decreases when consumer income rises, unlike normal goods, which have a positive correlation with income.

Normal Good

A type of good for which demand increases as the income of the consumer increases, showing a positive relationship between income and demand.

Demand Function

A mathematical formula that describes the relationship between the quantity of a good or service demanded and its price, along with other factors like income and the prices of related goods.

Substitution Effect

The effect observed when consumers replace more expensive items with cheaper alternatives due to changes in relative price levels, affecting demand for goods.