L vtrup credits Lamarck with two basic concepts of evolution &#151; that species change over time, and that present species descended from species now extinct.
(present species; descended now extinct; from species) (species; change; T:over time) Context(species change,List([73, 87))):(L vtrup credits; Lamarck; )
species change,List([73, 87))
present species species L vtrup credits
descended now extinct change Lamarck
from species
T:over time