If You Examine the Phylogeny of Animals, You Would See

question 21

Multiple Choice

If you examine the phylogeny of animals, you would see that

• A) eyes are not present in the common ancestor of all animals.
• B) sponges and placozoans have no eyes.
• C) eyes are found only within the eumetazoans.
• D) all of the above
• E) none of the above

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Definitions:

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, expressed as a percentage change.

Excise Tax

A tax levied on specific goods or commodities sold within a country, such as alcohol and cigarettes.

Price Elasticity

A parameter for gauging the response of demand to price variations of a product.

Excise Tax

A tax levied on the sale or consumption of specific goods or services, such as alcohol, tobacco, and gasoline.