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AP Biology- Chapter 22 Flashcards

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5783346817Charles Darwin1) published "The Origin of Species" 2) based off observations made on round-the-world journey as naturalist on H.M.S. Beagle 3) conclusions: current species are descendants of ancient species0
5783346818Evolutiondescent with modification; change over time; both pattern and process1
5783346819Aristotle1) Greek philosopher 2) "Species are fixed" 3) Scala naturae2
5783346820Carolus Linnaeus1) creationist 2) Adaptations= evidence of design 3) taxomy= classification of biological organisms3
5783346821Fossils1) groundwork for Darwin's ideas 2) remains or traces of organisms from the past 3) usually found in sedimentary rock= appears in layers (strata)4
5783346822James Hutton & Charles Lyell1) uniformitarianism= "earth has changed vis constant, slow processes" 2) influenced Darwin's thinking5
5783346823Jean-Baptist Lamarck1) "species change through use and disuse of body parts" 2) "aquired characteristics can be inherited" 3) not supported by evidence6
5783346824Thomas Malthus1) "Humans population would reach a maximum number" 2) "Controlled by famine, war, disease, etc." 3) Darwin applied this to other species7
5783346825Natural Selectioncause of adaptive evolution8
5783346826Artificial Selection1) Humans have modified other species by selecting and breeding animals with desired traits 2) Darwin experimented with pigeon breeding to test natural selection9
5783346827Darwin's two main ideas:1) descent with modification=all organisms are related through descent from an ancient common ancestor 2) explanation for life's unity and diversity10
5783346828Observation #1: Members of population often __________ _______ in their traits.greatly vary11
5783346829Observation #2: Traits are __________ from parents to offspring.inherited12
5783346830Observation #3: All species are capable of producing ______ offspring than environment can ___________.more; support13
5783346831Observation #4: Owing to lack of ______ or other resources, many of these offspring do not __________.food; survive14
5783346832Inference #1: Individuals whose parents give them _________ probability of surviving and _____________ in given environment tend to leave more ___________ than other individuals.higher; reproducing; offspring15
5783346833Inference #2: The _________ ability of individuals to survive and __________ will lead to the accumulation of ____________ traits in the population over _______________.unequal; reproduce; favorable; generation16
5783346834S.W.I.F.TS~ struggle for existence W~ Whale of a lot of offspring I~ Individual variation F~ Fittest survive T~ Transmission of offspring17
5783346835"Fit"ability to survive and reproduce in your particular environments18
5783346836"Adaptation"trait that makes you more fit for your particular environment19
5783346837____________ DO NOT evolve--> ____________ evolve over long periods of time.Individuals; populations20
5783346838Drug 3TCdesigned to interfere and cause errors in the manufacture of DNA from the virus21
5783346839Rapid adaptation of bacteria= ?challenge to our society22
5783346840Fossil Record provides evidence of:1) extinction of species 2) origins of new groups 3) changes within groups over time23
5783346841Homologysimilarity resulting from common ancestry24
5783346842Homologous structuresanatomical structures that function on a basic plan due to common ancestry; have differentiated to fit different function; verbrate25
5783346843Comparative Embryologyreveals anatomical homologies not visible in adult26
5783346844Vestigial Structure1) remnants of features that served important homologies in organism's ancestors 2) have lost or reduced function27
5783346845Phylogenetic trees (AKA evolutionary trees)1) show hypothesis of evolutionary relationships bet. different organismal groups 2) use many different types of data: anatomical differences & DNA sequence data28
5783346846Convergent Evolution1) evolution of similar (analogous) features in distantly related groups 2) happen when groups independently adapt to similar environments in similar ways 3) does not provide ancestry29
5783346847Biogeographygeographic distribution of species (living and extinct)30
5783346848Islandsmany species that are often closely related to species on the nearest mainland or island31
5783346849Pangeasingle large continent formerly existing on Earth; separated by continental drift32

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