Astronomers Use _______________ to Express Distance from the Sun

question 39

Short Answer

Astronomers use _______________ to express distance from the Sun.

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Definitions:

Clade

A group of organisms believed to comprise all the evolutionary descendants of a common ancestor.

Ancestral Traits

Characteristics that appeared in common ancestors and are passed down to subsequent generations.

Shared

A term referring to something that is used or belongs to more than one person or entity.

Cladistic Analysis

A method of analyzing the evolutionary relationships between groups of organisms by classifying them based on common ancestry.