Examlex
Suppose you have two point charges,+Q and -q.As you pull them farther and farther apart,you increase the potential energy of this system relative to infinity.
Paraphyletic
A term used in phylogenetics to describe a group of organisms that includes an ancestor but not all of its descendants, contrasting with a monophyletic group.
Polyphyletic
A group of organisms derived from more than one common evolutionary ancestor or ancestral group, indicating they do not share a common lineage.
Phylogenetic Trees
Diagrams that represent the evolutionary relationships among various biological species or other entities, based upon similarities and differences in their physical or genetic characteristics.
Systematists
Systematists are scientists who study the classification and evolutionary relationships among organisms, organizing them into systems of taxonomy.
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