Complex sentence: In contrast to the scientific principle of common ancestry, creation biologists argue that all life on Earth is not related, but that life was created in a finite number of discrete forms, which subsequently underwent speciation and microevolution of the original created kinds is acknowledged.
Split into simpler sentences: In contrast to the scientific principle of common ancestry, creation biologists argue that all life on Earth is not related, but that life was created in a finite number of discrete forms. That these discrete forms subsequently underwent speciation and microevolution of the original created kinds is acknowledged.