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Description
Flashcards by zombies_duhhh, updated more than 1 year ago
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Created by zombies_duhhh
over 10 years ago
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| Question | Answer |
| Evolution | the change in a species as a whole over time |
| natural selection | survival 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 |
| Charles Darwin | the man who voyaged to the Galapagos and developed the idea of natural selection, which contributes to evolution |
| speciation | the emergence of a new species due to natural selection |
| Co-Evolution | occurs when two or more populations evolve at the same time |
| divergent evolution | occurs when two species evolve to be more and more different over time |
| convergent evolution | occurs when different species develop similar traits for similar functions |
| homologous structures | structures that originate from the same type of tissue but may be used differently in different organisms |
| vestigial structure | a structure that may have once had a function in a species but has evolved to be useless over time |
| streptococcus | genus of bacteria; commonly known for causing strep throat |
| virus | non living pathogen that causes many harmful conditions |
| active immunity | an organisms defense against invading pathogens due to production of antibodies |
| passive immunity | an organisms defense against invading pathogens due to the transfer of antibodies |
| binomial nomenclature | the system of naming organisms based on their scientific genus and species |
| classification | system of placing organisms in groups based on similarities |
| dichotomous key | a multi-step tool used to identify a species based on physical characteristics it may possess |
| cladogram | a diagram beginning with an outgroup organism, shows relationships based on shared derived traits |
| phylogenetic tree | a diagram beginning with a common ancestor; shows evolutionary history of a species |
| bacteria | prokaryotic, single celled organisms, often aid in decomposition and digestion of cause harmful infections |
| protist | eukaryotic organism; classified as plant like anime like or fungus like |
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