Alders Are Trees with Symbiotic Nitrogen Fixing Bacteria in Their

question 3

Multiple Choice

Alders are trees with symbiotic nitrogen fixing bacteria in their roots.This enables alders to be a key part of _________ in recently glaciated areas in Alaska.

• A)species extinction
• B)emigration
• C)primary succession
• D)inhibition
• E)secondary succession

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Definitions:

Waist-To-Hip Ratio

A measure of body shape that compares the circumference of the waist to that of the hips, often used as an indicator of health risks related to body fat distribution.

Hourglass Figure

A body shape defined by a woman's bust and hips being roughly equal in width with a significantly narrower waist.

Proximity

The physical or psychological closeness between people, which can influence relationships and interactions.