The theory that all living organisms are descendants of different life forms that existed in the past is called:
A) organic evolution.
B) paleontology.
C) plate tectonics.
D) natural selection.

Question

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Organic evolution is the theory that explains how all living organisms are descended from different life forms that existed in the past, highlighting the changes in species over generations due to processes like natural selection and genetic drift.

The Theory That All Living Organisms Are Descendants of Different