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Natural Selection

Horizontales
A morphological adaptation in which one species evolves to resemble another species for protection or other advantages.
A morphological adaptation that allows organisms to blend into their surroundings.
The hereditary changes in groups of living organisms over time.
Darwin's term for the selective breeding of organisms selected for certain traits in order to produce offspring having those traits.
A reduced form of a functional structure that indicates shared ancestry.
A new feature that had not appeared in common ancestors.
The theory of evolution developed by Darwin, based on four ideas: excess reproduction, variations, inheritance, and the advantages of specific traits in an environment.
Verticales
An anatomically similar structure inherited from a common ancestor.
The more-primitive characteristic that appeared in common ancestors.
An organism's early pre-birth stage of development.
A structure that has the same function but different construction and was not inherited from a common ancestor.
The study of the distribution of plants and animals on Earth.
The measure of a trait's relative contribution to the following generation.