Question

In order for Tiktaalik to be considered a transitional fossil, when does it need to have appeared in the fossil record?
• at the same time as amphibians
• before fish and amphibians
O after amphibians
O between fish and amphibians

Answer 1

For Tiktaalik to be considered a transitional fossil, it needs to have appeared in the fossil record **between fish and amphibians**. Tiktaalik is significant because it showcases features that are intermediate between those of fish and early amphibians, illustrating the evolutionary transition from aquatic to terrestrial life.