In the 1880s, experimental work by August Weisman demonstrated that traits acquired during a lifetime could not be inherited. This dealt a deathblow to previous theories of Lamarckian inheritance and left scientists with which possible scientific processes of evolution?
A) saltationism and slow-acting natural selection
B) creationism and spontaneous generation
C) creationism and saltationism
D) spontaneous generation and slow-acting natural selection

Question

Quizplus · Accepted Answer

August Weisman's discovery invalidated Lamarckian inheritance, leaving scientists with the possibility of slow-acting natural selection or saltationism as processes of evolution. Creationism and spontaneous generation are not considered scientific processes of evolution.

In the 1880s, Experimental Work by August Weisman Demonstrated That