Which Property of Diffusion Best Helps Explain the Necessity of the Circulatory

question 130

Multiple Choice

Which property of diffusion best helps explain the necessity of the circulatory system in multicellular organisms?

• A) Molecules move from an area of higher concentration to an area of lower concentration.
• B) Diffusion can take place in an open system or across a partition that separates two systems.
• C) Diffusion is rapid over short distances but much slower over long distances.
• D) Diffusion rate is inversely related to molecule size.

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Definitions:

Continuous Distribution

A probability distribution that assumes an infinite number of possible values in a continuous range.

Chi-square Distribution

A probability distribution showing the distribution of the chi-square statistic under the null hypothesis for a correct model.

Mud Wrestling

A form of entertainment or sport where individuals wrestle in a pit filled with mud.

Chi-square Statistic

A measure used in statistical analysis to evaluate the significance of the association or difference between categorical variables.