Evolution and Classification

______ _________ explains how two or more organisms could evolve similar traits even though they are not related to each other.

• convergent evolution
• reproductive isolation
• derived characters
• stabilizing selection

A __________ is a branching diagram that shows evolutionary relationships.

• cladogram
• table
• derived character
• relationship tree

__________ structures are characteristics that have evolved separately in two unrelated organisms, but have similar function.

• analogous
• homologous
• cladistic
• phylogenic

_________ structures may or may not be similar between two organisms but they developed from a common ancestor.

• homologous
• analogous
• cladistic
• phylogenic

______ structures are body parts that have lost their original function because of the way a species has evolved.

• vestigial
• homologous
• cladistic
• phylogenetic

Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?

• individual
• population
• species
• fossil

A remnant or trace of an organism from the past is called a _______.

• Ancestor
• Skeleton
• Fossil
• Imprints

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

This occurs when no more of a species is living.

• Fossilization
• Adaptation
• Extinction
• Natural selection

Farmers breed cows to produce high amounts of milk. This is an example of...

• natural selection 

• coevolution

• artificial selection

• stabilizing selection