Term
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Definition
| all living things come from other living things |
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Term
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Definition
| theory that organisims come from nonliving things |
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Term
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Definition
| length of time it takes for one half of any size sample of an isotope to decay |
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Term
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Definition
| atoms of the same element that differ in the number of neutrons |
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Term
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Definition
| total number of protons and neutrons in the nucleus |
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Term
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Definition
| methods of establishing the age of materials |
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Term
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Definition
| nuclei release particles/radiant energy |
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Definition
| isotopes that undergo radioactive decay |
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Term
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Definition
| CO2 helps in the assembly of organic molecules |
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Term
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Definition
| when mitochondria, or other simple prokaryotes got taken in by eukaryotes |
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Term
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Definition
| trace of a long dead organism |
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Term
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Definition
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Term
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Definition
type of fossil
imprint in rock of the shape of the organism |
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Term
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Definition
| rocklike modle of hte organism |
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Term
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Definition
| oldest organisms, lowest in the rock layers |
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Term
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Definition
| study of geographical distribution of fossils and of living organisms |
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Term
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Definition
| trait not determined by the gentics of the organism but happens because of an incident in the organisms life |
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Term
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Definition
| organisms best suit to thier enviornment are better able to reproduce and live longer |
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Term
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Definition
| inter-breeding single species group |
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Term
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Definition
| changing over generations to help the organism better survive |
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Term
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Definition
| organisms genetic contribution to the next generation |
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Term
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Definition
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Term
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Definition
| similar in physical anatomy, different in function |
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Term
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Definition
| similar in function, different in physical anatomy |
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Term
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Definition
| features that do not serve an apparent purpose |
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Term
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Definition
| change of two species in close association with each other |
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Term
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Definition
| unrelated species become more and more similar in physical apperance because the enviornment they live in |
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Term
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Definition
| two or more related species become more and more dissimilar over time |
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Term
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Definition
| determined by dividing the number of certain allele by the number of all the alleles in the population |
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Term
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Definition
| total genetic information available in a population |
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Term
| Hardy-Weinburg genetic equilibrium |
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Definition
| the statbility of gene frequencies across generations |
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Term
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Definition
| number of individuals with a particular phenotype divided by the total number of individuals within the population |
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Term
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Definition
| internal structure and apperance of an organism |
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Term
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Definition
| branch of biology that names and groups organisms according to their characteristics and evolutionart history |
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Term
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Definition
| kindom-phylum-class-order-family-genus-species |
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Term
species name
(scientific name) |
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Definition
Genus species
Genus-capitilized
in print- all is italizized |
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Term
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Definition
| the system of the scietntific names |
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Term
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Definition
| evoulutinary history of an organism |
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Term
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Definition
new form of classification
uses certain features of an organism |
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Term
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Definition
| ancestary diagrams made by cladistics analysis |
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Term
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Definition
| a feature that evolved only within the group under consideration |
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Term
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Definition
| family tree that shows that evolutionary relationships thought to exist among groups of organisms |
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Term
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Definition
| organizes the diversity of living organisms in the context of evolution |
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