"I Wonder Why Jim Is So Mean to Louise," Mary

question 7

Multiple Choice

"I wonder why Jim is so mean to Louise," Mary commented to Sheila over coffee."Maybe other people have always been mean to him,and so he is really angry all of the time.Maybe that makes him treat Louise badly,even though they are supposed to be in love," replies Sheila.According to the scientific method,Sheila has just posed a ________.

• A) theory
• B) problem
• C) hypothesis
• D) relative truth

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Definitions:

Plant Cell

The basic structural, functional, and biological unit of plants, distinguished by containing a cell wall, chloroplasts, and a large central vacuole.

Environmental PH

The measure of how acidic or basic a given environment is, influencing many ecological and biological processes.

Enzyme Activity

The rate at which an enzyme catalyzes its specific biochemical reaction, converting substrates into products.

Receptor-Mediated Endocytosis

A cellular process by which cells absorb external substances through the inward folding of their plasma membrane, allowing specific molecules to enter the cell via receptors.