What Is the Ultimate Source of Genetic Variation Within a Population

question 15

Multiple Choice

What is the ultimate source of genetic variation within a population?

• A) Mutations in DNA
• B) Adaptation of a species to environmental changes
• C) A sensory system that can detect an environmental change
• D) Homeostatic mechanisms that compensate for environmental changes
• E) A system of locomotion that allows an organism to escape environmental changes

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Definitions:

Approximate Ph

An estimated measure of the acidity or alkalinity of a solution, typically on a scale of 0 to 14.

Ammonia

Ammonia is a compound of nitrogen and hydrogen that is a crucial intermediary in the nitrogen cycle, and is used in various biological and industrial processes.

Orbital Hybridization

A rearrangement of the orbitals in the valence shell that may occur when an atom forms covalent bonds with other atoms.

Very Strong Acid

Acids that completely ionize in solution, having a very low pH value, such as hydrochloric acid.