Fossil Stromatolites and Microfossils Are Used as Evidence in Studies

question 68

Multiple Choice

Fossil stromatolites and microfossils are used as evidence in studies of early life on Earth. What is a disadvantage of using these rock formations in these types of studies?

• A) Paleontologists have to dig deep into Earth's crust to find them.
• B) Abiotic processes lead to the formation of stromatolite-like structures or objects that resemble microfossils.
• C) They must be destroyed in order to obtain samples for analysis.
• D) Their analysis requires expensive and inconvenient radioisotope detection.
• E) They are extremely fragile when exposed to air.

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Definitions:

Elasticity

A measure of how much the quantity demanded or supplied of a good changes in response to a change in price or other economic variable.

Buyer

A person or entity that purchases goods or services from another in exchange for money.

Tax

A non-optional financial assessment or alternate form of contribution demanded from a taxpayer by a governmental administration for the purpose of allocating funds for government usage and various public expenditure needs.

Market Period

A very short period of time in which the supply of a good is fixed, typically because the time frame is too short to alter production.