Two or More Substances in Variable Proportions,where the Composition Is

question 161

Multiple Choice

Two or more substances in variable proportions,where the composition is variable throughout are

• A) a solution.
• B) a homogeneous mixture.
• C) a compound.
• D) an amorphous solid.
• E) a heterogeneous mixture.

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Definitions:

Convergent Evolution

A process whereby organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

Homologous

Referring to genes, chromosomes, or structures that are similar in position, structure, and evolutionary origin, but not necessarily in function.

Psilotum

A genus of fern-like plants that belongs to one of the oldest groups of vascular plants, providing insights into the early evolutionary history of plants.

Herb

A plant with leaves, seeds, or flowers used for flavoring, food, medicine, or perfume.