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Evolution

Horizontales
Formed 299 million years ago.
Used for dating and correlating the strata in which it is found.
Ability of an organism to survive and produce offspring.
Identical alleles.
System of dating that starts from the origin of Earth to the present describing relationships of events that have occurred during its history.
Mutations that result in different phenotypes
A specific sequence of DNA that determines one or more traits
Used by geologists to date how long ago rocks formed.
Remains or impression of an organism.
Geneticist
Human era
Eon home to trees, dinosaurs, and humans.
Can be helpful, harmful, or neither.
Idea that all species are related.
This happens after making observations.
Verticales
When a last member of a species dies.
All of the fossils found on Earth.
Tt
Allele combination.
Geologic time sub group
Meteorite or volcanic eruptions may have caused this.
Important index fossil.
Process by which individuals that are better adapted to their environment will survive an reproduce.
Extinct cephalopods especially abundant in the Mesozoic age
The passage of the genetic information from one generation to the next.
Strata where youngest layers are on top and oldest on the bottom.
Part of a famous Darwin title.
Formation of new and distinct species in the course of evolution