Based on the Information in the Partial Geological Timeline,which of the Following

question 104

Multiple Choice

Based on the information in the partial geological timeline,which of the following sequences correctly identifies the order in which organisms arose on Earth?

• A) vertebrate ancestors, seedless plants on land, amphibians, reptiles
• B) vertebrates, insects, seedless plants, reptiles
• C) vertebrate ancestors, insects, fungi, reptiles
• D) fungi, primitive insects, reptiles, amphibians
• E) None of the above.

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Definitions:

Peroxide Initiator

A compound that decomposes to form free radicals, initiating polymerization reactions.

Propylene

A flammable gas that is a colorless hydrocarbon used as a fuel and a petrochemical feedstock.

3-ethyl-3-hexene

An organic compound, specifically an alkene, with a double bond between two of the carbon atoms, and an ethyl group attached to the third carbon atom.

Regio-

A prefix indicating the region or position in a molecule where a chemical reaction occurs, often used in organic chemistry.