Which of the Following Would Be the Best Way to Determine

question 38

Multiple Choice

Which of the following would be the best way to determine whether aphids must actively draw phloem sap into their digestive tract or if hydrostatic pressure in the phloem tube could force the sap into them?

• A)Cut a phloem tube from a plant and see if an aphid can still take up sap from it.
• B)Insert mouth parts removed from an aphid,without including the digestive tract,and see if phloem sap keeps flowing through them.
• C)Cut a phloem tube off an aphid and see if it can still feed.
• D)Measure relative rates of sugar manufacture in leaves with and without aphids.

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Definitions:

Labor Union

An organized association of workers formed to protect and further their rights and interests through collective bargaining.

Interests and Aspiration

The desires, goals, or ambitions individuals or groups aim to achieve, often driving their actions and decisions.

Solidarity Unionism

A model of labor organization focusing on grassroots and collective action without formal union structure, emphasizing solidarity among workers.

Cohesiveness of Workers

The degree to which employees in a group or organization are united and work together towards common goals and interests.