Which Statement Is Most Consistent with the Hypothesis That the Cambrian

question 6

Multiple Choice

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

• A) increased incidence of worm burrows in the fossil record
• B) increased incidence of larger animals in the fossil record
• C) increased incidence of organic material in the fossil record
• D) increased incidence of fern galls in the fossil record
• E) increased incidence of hard parts in the fossil record

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Definitions:

Equilibrium Price

The cost where the amount of a product or service consumers want to buy matches the quantity that producers are willing to sell.

Equilibrium Quantity

The amount of goods or services available matches the amount requested at the market price.

Consumer Surplus

Consumer surplus is the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total benefits to society from the trade of goods or services.