Almost All Cacti Are Native to the Americas, but There

question 34

Multiple Choice

Almost all cacti are native to the Americas, but there is a small, relatively uncommon group of plants closely related to cacti native to tropical western Africa. How can we explain this given the information in this chapter?

• A) The plants might have floated across the Atlantic.
• B) This might have been caused by divergent evolution.
• C) The continents were once connected.
• D) All of the above are true.

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Definitions:

Direct Labor-Hours

Entire duration of work by employees intricately involved in the manufacturing phase.

Machine-Hours

A measure of production output or activity calculated as the total hours that machines are operated over a specific period.

Standard Hours Allowed

The amount of work time allowed for the completion of a task, against which actual hours are compared for performance analysis.

Direct Labor-Hours

Total time directly invested in the creation of a product or the provision of a service.