A Realized Niche Can Be Larger Than a Fundamental Niche

question 41

Multiple Choice

A realized niche can be larger than a fundamental niche

• A)never.
• B)when a competitor is present.
• C)when abiotic conditions improve.
• D)when a commensal species expands another's niche space.

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Definitions:

Genes

Functional units or sections of DNA that provide a blueprint or code to the cell for how to produce proteins and enzymes. Found on chromosomes, they come in matching pairs, one from each parent.

Zygotes

The initial cell formed when a sperm cell fertilizes an egg cell, representing the earliest stage of development in many organisms.

Allostasis

“Balance through adaptation.” In this model of stress processes, the central nervous system (CNS) controls multiple interacting regulatory processes so that the best balance for each specific challenge is found, rather than returning to a fixed set point.

General Adaptation Syndrome

A model that describes the body's short-term and long-term reactions to stress, developed by Hans Selye.