The Two Principal Types of Conducting Cells in the Xylem

question 22

Multiple Choice

The two principal types of conducting cells in the xylem are _________ and ________.

• A)tracheids;vessel elements
• B)sieve tubes;companion cells
• C)sieve cells;sieve tube members
• D)guard cells;tracheids
• E)protoderm cells;pericycle cells

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Definitions:

Social Norms

Expected standards of conduct, which influence behavior.

Social Loafing

The tendency of individuals to put forth less effort when working in a group compared to when working alone.

Deindividuation

A psychological state characterized by diminished self-consciousness and decreased sense of personal responsibility, often occurring in group settings.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, often improving on simple tasks and performing poorly on complex tasks.