Fossils are:a.
useful for reconstructing past environmental conditions.
b. evidence that evolution has occurred.
c. evidence that Earth has a long history predating humans.
d. the remains or traces of once-living organisms.
e. all of these
Question 2The theory that all living organisms are descendants of different life forms that existed in the past iscalled:a.
organic evolution.
b. astrology.
c. paleontology.
d. plate tectonics.
e. natural selection.