A Scientist Suspects That the Food in an Ecosystem May

question 23

Multiple Choice

A scientist suspects that the food in an ecosystem may have been contaminated with radioactive nitrogen over a period of months.Which of the following substances could be examined for radioactivity to test the hypothesis?

• A)the sugars produced during photosynthesis by plants growing in the ecosystem
• B)the hair produced by humans living in the ecosystem
• C)the cholesterol in the cell membranes of organisms living in the ecosystem
• D)the cell walls of plants growing in the ecosystem

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Definitions:

Theory Y

A management style that assumes employees are inherently motivated and responsible, favoring a participative approach.

Close Supervision

The process of overseeing employees' work and tasks very closely, with frequent monitoring and guidance.

Legislation

The act of making or enacting laws, often through a governmental body or legislative assembly.

Legal Trouble

Situations or circumstances that result in legal proceedings, disputes, or potential consequences under law.