Study Guide Chapter 13 Flashcards
aristotle
greek philosopher who believed species to be perfect and permanent
book of gensis
stated that all species were designed by a supreme creator
peter and rosemary gran
research on galapagos finches documents natural selection
jean baptiste lamark
proposed that acquired charactersitics may be influenced
charle slyell
his book about gradual geological change influenced darwin
thomas malthus
asserted that populations grow faster than resources
charles darwin
wrote the origin of species, explaining descent with modification
alfred russell wallace
conceieved a theory of evolution almost identical to darwins
darwin
english scientist who first devised thoeyr of evolution
heritable
passed on to offspring
individuals whose inherited charactersitics suied them best
wold be more likely to survive and reproduce than other less suited indivduals
beneficial traits
accumulate over geneation
natural selection
unequal reproduction
aritifical selection
humans pick out and breed individuals with desirable traits
peter and rosemary grant
individuals with bigger stronger beaks become more numerous during dry years (small seeds are in short supply)
EXAMPLE OF NATURAL SELECTION
pestiticide resistiance in insects
EXAMPLE OF EVOLUTION OR NATURAL SELECTION ( idk)
poison might kill most members of an insect population but individuals with alleles that protect them best from being poisoned survive and reproduce, passing those alleles onto their descendents, seen in greater and greater numbers in succeeding generations, less resistant indivudals die out
natural selection
does not create the alleles, selects for individuals in population that already have those alleles, favors those characteristics that fit the local environment, involves diferences among individuals, but individuals things do not evolve, invidiaul does not change its growth rate, popualation changes
evolution
not goal directed
fossils
hard parts of animals, bones, bones, teeth, shells
pallantrologisit
scientist who studies fossils