terms & concepts
when a specie completely die out and no members survive
extinction
who was a french naturalist, that believed in inheritance of acquired characteristic
Jean Baptiste
what are scientists called that study fossils
paleontologist
what is it when something happens in a short amount of time and happens very quickly
Microevolution
what is it called when individuals move in and out of a gene pool
gene flow
traces of organisms that lived in the pass
fossils
who was a English geologist who thought earth is much older
Charels Lyell
whats it called when someone studies for similarities and differences in structures of different species
comparative anatomy
what is it when something over geologic time results from micro evolution over many generations
macroevolution
what is it called when there is random changes that happen in a small population
genetic drift
a record of life unfolding over the last 4 billion years
fossil record
who was an English economist who thought human populations grew too fast for resources and the weakest die when diseases occur
Thomas Malthus
what kind of structure is it when similar structures inherit from a common ancestor
homologous structure
what is a number of a specific specie in a given area called
population
what kind of effect is it when new populations starts from a small group
founder effect
when comparing to other layers, when it is not an actual date but ordered from youngest to oldest
relative dating
who was the most significant scientist influenced on Darwin
Charles lyell
what kind of structure is it when structures that are similar in unrelated organisms
analogs structure
what is it called when all genes of all the members of a population
gene flow
what kind of effect is it when there is a sudden decrease
bottle neck effect
absolute dating
who was most influenced by Charles Darwin
william James
what is it called when scientists study the similarities and differences in embryos of different species
comparative embryology
what is it called when something shows how many of each allele is found in the population
allele frequency
what is it called when there is difference fitness in a group
natural selection