Test 3. Flashcards
Absolute dating.
Gives a date in years using isotopes.
What is the taxa order.
Domain, kingdom, phylum, class, order, family, genus, species.
Extinct.
Gone forever.
RNA world hypothesis.
RNA was the first organic molecule.
Endosymbiotic theory.
Big cells ate smaller cells. Smaller cells became organelles.
Cambrian explosion.
First abundant record of marine life.
Permian extinction.
90% of life went extinct.
Binomial nomenclature.
Two word name for each species.
Taxonomy.
The science of classification.
The father of classification.
Corolus Linnaeus.
Phylogenetic classification.
Classification based on evolutionary history.
Charles Darwin.
Came up with The theory of evolution.
The Galápagos Islands.
Discovery of the finch variation, showing that species vary based on habitat.
5 principles of evolution.
- Species change over time, earth is very old.
- Populations produce more then can survive.
- Strong survives.
- Species have variations.
- Over time new species emerge.
Comparative anatomy.
Study of similarities.
Homologous structures.
Have a common ancestor.
Analogous structure.
No common ancestor.
Comparative embryology.
Comparing embryos.
Vestigial structures.
An organ or a body part that has no use.
Adaptive radiation.
A single species evolves into many new species.
Natural selection.
Traits that give advantage for survival win.
Relative dating.
A method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock.
Evidence of endosymbiotic theory.
The similarities between bacteria and organelles.
How many mass extinctions?
Five.
Charles Darwin’s most famous book.
On the origin of species.
