A Cline Is a

question 21

Multiple Choice

A cline is a

• A) Great change of temperature with depth
• B) Spatial change in population density
• C) Gradual change in time of body temperature
• D) Spatial change in gene frequency

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Definitions:

Snowmelt

The process of snow changing into water due to rising temperatures, an important source of fresh water in many regions and a factor in flood generation.

Persistent

Enduring or continuing for a long while, not easily dispelled or removed.

General Adaptation Syndrome

A theoretical model describing the body's short-term and long-term reactions to stress, consisting of three stages: alarm, resistance, and exhaustion.

Hormones

Chemical messengers that are produced by the endocrine glands and carried by the bloodstream to all parts of the body.