(covery cilapiers 18 & 19 of reading guide)
extended response: write in complete sentences and answer
each part of the question. (5 points each)
1. the linnaean classification system is based solely on physical characteristics.
how has the classification of organisms changed since linnaeus developed his
taxonomy? in your
• define cladistics and linnaean taxonomy (1)
• explain how using only the linnaean classification system and cladistics may
cause problems when mapping out an organism's ancestry. how can molecular
(genetic) evidence to support or disprove both of these? make sure to
how molecular evidence supports or disproves
both linnaean classification and cladistics. (1)

30 !