Flashcards
Evolution & Classification Vocab.
Cards in this deck (20)
- 1Evolutionthe change in a species as a whole over time
- 2natural selectionsurvival of the fittest; organisms that are best suited for survival are the ones that successfully reproduce and pass on their beneficial characteristics; leads to evolution
- 3Charles Darwinthe man who voyaged to the Galapagos and developed the idea of natural selection, which contributes to evolution
- 4speciationthe emergence of a new species due to natural selection
- 5Co-Evolutionoccurs when two or more populations evolve at the same time
- 6divergent evolutionoccurs when two species evolve to be more and more different over time
- 7convergent evolutionoccurs when different species develop similar traits for similar functions
- 8homologous structuresstructures that originate from the same type of tissue but may be used differently in different organisms
- 9vestigial structurea structure that may have once had a function in a species but has evolved to be useless over time
- 10streptococcusgenus of bacteria; commonly known for causing strep throat
- 11virusnon living pathogen that causes many harmful conditions
- 12active immunityan organisms defense against invading pathogens due to production of antibodies
- 13passive immunityan organisms defense against invading pathogens due to the transfer of antibodies
- 14binomial nomenclaturethe system of naming organisms based on their scientific genus and species
- 15classificationsystem of placing organisms in groups based on similarities
- 16dichotomous keya multi-step tool used to identify a species based on physical characteristics it may possess
- 17cladograma diagram beginning with an outgroup organism, shows relationships based on shared derived traits
- 18phylogenetic treea diagram beginning with a common ancestor; shows evolutionary history of a species
- 19bacteriaprokaryotic, single celled organisms, often aid in decomposition and digestion of cause harmful infections
- 20protisteukaryotic organism; classified as plant like anime like or fungus like
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- evolution and classification vocabulary words.
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