Change Over Time Test Flashcards
What is the two word naming system used by scientists
Binomial nomenclature
What scientist developed the classification system
Carolus Linnaeus
What order did the events at galapogose island occur
Founders arrive Separation of populations Changes in gene pool Reproductive isolation Ecological competition Continued evolution
When are two species said to be reproductively isolated
When the species no longer interbreed
What are the three causes of reproductive isolation
Behavioral isolation, geographic isolation, temporal isolation
A system of ideas intended to explain something
Theory
Process by which individuals who are better adapted to their environment are more likely to survive or reproduce
Natural selection
Trait that helps an organisms survived or reproduce
Adaptation
Preserved remains of ancient organisms
Fossils
The process of change over time
Evolution
Factor that effects natural selection in which species fight over recourses
Competition
Prokaryotes who’s cell walls contain peptidoglycan
Eubacteria
Prokaryotes who’s cell walls lack peptidoglycan
Archaebacteria
Unicellular, colonial, or multicellular eukaryotes that show a variety of characteristics
Protista
Multicellular autotrophs whose cell walls contain cellulose
Plantae
Heterotrophs whose cell walls contain chitin
Fungi
Multicellular eukaryotes without cell walls or chloroplasts
Animalia
What is the order of classification
Domain Kingdom Phylum Class Order Family Genus Species
Scientist who studies fossils or the preserved remains or traces of organisms that have lived in the past
Paleontologist
Collections of fossils organized to provide evidence about history of life on earth, including how organisms have changed over time
Fossil record
Age of fossils are determined by comparing its placement with that of other fossils in other layers of rock
Relative dating
Involves measuring the amount of radioactive isotopes in a sample to determine its actual age
Radioactive dating
First part of a scientific name
Genus
Second part of a scientific name
Species
Phylogeny
Study of how living and extinct organisms are related to one another
Group of species that includes a single common ancestor and all descendants of that ancestor
Clade
Diagram that links groups of organisms by showing how evolutionary lines, or lineages branched off from common ancestors
Cladogram
Trait that arose in the most recent common ancestor of a particular lineage and passed to its descendants
Derived character
Where did Darwin travel to where he observed many unusual organisms
Galapogose islands
What is genetic drift
Random change in a small populations allele frequency
What is taxonomy
Grouping and naming of things
What broad characteristics do biologists use to group living things into kingdoms
Cell type, ability to make food, number of cells that make up their body
