A Researcher Carries Out an Experiment During the Summertime in New

question 138

Multiple Choice

A researcher carries out an experiment during the summertime in New England. He plants cacti on two adjacent pieces of land that are identical, except for the fact that one piece of land has been cleared of all other vegetation. He notices that cacti planted on the cleared land take root and grow, whereas those planted on the uncleared land don't. What is a likely explanation?

• A)By clearing one piece of land and disturbing the soil, the researcher has recapitulated the sandy environment where cacti typically grow.
• B)Microorganisms in the soil of the cleared land likely infect cacti roots.
• C)Animals have easier access to cacti in the uncleared land.
• D)Other plants likely compete with cacti for resources on the uncleared land.
• E)All of these choices are correct.

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Definitions:

Public Policy

Principles and standards regarded by the legislature or courts as being of fundamental concern to the state and the whole of society.

Illegal

That which is forbidden by law; activities or actions that are against statutory laws and regulations.

Unenforceable

A contract or clause that cannot be executed by the judicial system because it violates laws or regulations or because it lacks certain essential elements.

Mentally Incompetent Persons

Individuals who are legally recognized as incapable of managing their own affairs or making decisions due to mental incapacity.